12313904 has 10 divisors (see below), whose sum is σ = 23858220. Its totient is φ = 6156944.

The previous prime is 12313877. The next prime is 12313907. The reversal of 12313904 is 40931321.

It is a self number, because there is not a number n which added to its sum of digits gives 12313904.

It is not an unprimeable number, because it can be changed into a prime (12313907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384794 + ... + 384825.

It is an arithmetic number, because the mean of its divisors is an integer number (2385822).

Almost surely, 2^12313904 is an apocalyptic number.

It is an amenable number.

12313904 is a deficient number, since it is larger than the sum of its proper divisors (11544316).

12313904 is an equidigital number, since it uses as much as digits as its factorization.

12313904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769627 (or 769621 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 12313904 is about 3509.1172679180. The cubic root of 12313904 is about 230.9219703595.

The spelling of 12313904 in words is "twelve million, three hundred thirteen thousand, nine hundred four".