12313256 has 16 divisors (see below), whose sum is σ = 23380800. Its totient is φ = 6078384.

The previous prime is 12313237. The next prime is 12313261. The reversal of 12313256 is 65231321.

It is a plaindrome in base 15.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 9110 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (1461300).

Almost surely, 2^12313256 is an apocalyptic number.

It is an amenable number.

12313256 is a deficient number, since it is larger than the sum of its proper divisors (11067544).

12313256 is a wasteful number, since it uses less digits than its factorization.

12313256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19568 (or 19564 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 12313256 is about 3509.0249357906. The cubic root of 12313256 is about 230.9179196522.

Adding to 12313256 its reverse (65231321), we get a palindrome (77544577).

The spelling of 12313256 in words is "twelve million, three hundred thirteen thousand, two hundred fifty-six".