וְעַל־יָדָם֩ חֵ֨יל צָבָ֜א שְׁלֹ֧שׁ מֵא֣וֹת אֶ֗לֶף וְשִׁבְעַ֤ת אֲלָפִים֙ וַחֲמֵ֣שׁ מֵא֔וֹת עוֹשֵׂ֥י מִלְחָמָ֖ה בְּכֹ֣חַ חָ֑יִל לַעְזֹ֥ר לַמֶּ֖לֶךְ עַל־הָאוֹיֵֽב׃
And under their hand was a trained army, three hundred thousand and seven thousand and five hundred, that made war with mighty power, to help the king against the enemy.
Read halakhic rulings (Jewish law) on II Chronicles 26:13: and classical halakhic sources.