Divrey Hayamim Bais 26:13

13 And under their yad was a battle group, three hundred thousand and seven thousand and five hundred, that made milchamah with mighty ko’ach, to help HaMelech against the enemy.

Divrey Hayamim Bais 26:13 Meaning and Commentary

2 Chronicles 26:13

And under their hand was an army, three hundred thousand and
seven thousand and five hundred
Which was larger than that in his father's time by 7500, ( 2 Chronicles 25:5 ) besides officers:

that made war with mighty power, to help the king against the enemy;
they were ready to fight, and fight valiantly, whenever the king had any occasion for them, or the land was invaded.

Divrey Hayamim Bais 26:13 In-Context

11 Moreover Uziyahu had an army of fighting men that went out to tzava (battle) in troops, according to the number of their mustering by the yad Ye’i’el the Sofer and Ma’aseiyahu the Shoter (Officer), under the yad Chananyahu, one of the officials of HaMelech.

12 The whole mispar (number) of the Rashei HaAvot over the mighty warriors were two thousand and six hundred.

13 And under their yad was a battle group, three hundred thousand and seven thousand and five hundred, that made milchamah with mighty ko’ach, to help HaMelech against the enemy.

14 And Uziyahu prepared for them throughout all the army moginim (shields), and spears, and helmets, and armor, and bows, and slingstones.

15 And he made in Yerushalayim machines designed by inventive engineers, for use on the migdalim and upon the corners of the city wall, to shoot khitzim (arrows) and avanim gedolot. And shmo spread far abroad, for he was marvellously helped, until when chazak (he became powerful).