2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
1:14And Solomon gathered chariots and horsemen: and he had a thousand and four hundred chariots, and twelve thousand horsemen, which he placed in the chariot cities, and with the king at Jerusalem.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.