Chronicles II 26:13

13 and with them was a warrior force, three hundred thousand and seven thousand and five hundred: these waged war mightily to help the king against enemies.

Chronicles II 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.

Chronicles II 26:13 In-Context

11 And Ozias had a host of warriors, and that went out orderly to war, and returned orderly in number; and their number was by the hand of Jeiel the scribe, and Maasias the judge, by the hand of Ananias the king's deputy.
12 The whole number of the chiefs of families of the mighty men of war two thousand six hundred;
13 and with them was a warrior force, three hundred thousand and seven thousand and five hundred: these waged war mightily to help the king against enemies.
14 And Ozias prepared for them, for all the host, shields, and spears, and helmets, and breastplates, and bows, and slings for stones.
15 And he made in Jerusalem machines invented by a wise contriver, to be upon the towers and upon the corners, to cast darts and great stones: and of their preparation was heard at a distance; for he was wonderfully helped, till he was strong.

The Brenton translation of the Septuagint is in the public domain.