'Twelve Thousand' in the Bible

And when the children of Ammon saw that they had made themselves odious before David, the children of Ammon sent and hired the Syrians of Beth-rehob, and the Syrians of Zoba, twenty thousand footmen, and of king Maacah a thousand men, and of Ish-tob twelve thousand men.

Moreover Ahithophel said to Absalom, Let me now choose out twelve thousand men, and I will arise and pursue after David this night;