12499318 has 16 divisors (see below), whose sum is σ = 21379680. Its totient is φ = 5429376.

The previous prime is 12499307. The next prime is 12499339. The reversal of 12499318 is 81399421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13698 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (1336230).

Almost surely, 2^12499318 is an apocalyptic number.

12499318 is a deficient number, since it is larger than the sum of its proper divisors (8880362).

12499318 is a wasteful number, since it uses less digits than its factorization.

12499318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311.

The product of its digits is 15552, while the sum is 37.

The square root of 12499318 is about 3535.4374552522. The cubic root of 12499318 is about 232.0752208524.

The spelling of 12499318 in words is "twelve million, four hundred ninety-nine thousand, three hundred eighteen".