12315964 has 12 divisors (see below), whose sum is σ = 21673288. Its totient is φ = 6123600.

The previous prime is 12315943. The next prime is 12315967. The reversal of 12315964 is 46951321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7782 + ... + 9229.

Almost surely, 2^12315964 is an apocalyptic number.

It is an amenable number.

12315964 is a deficient number, since it is larger than the sum of its proper divisors (9357324).

12315964 is a wasteful number, since it uses less digits than its factorization.

12315964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17196 (or 17194 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 12315964 is about 3509.4107767544. The cubic root of 12315964 is about 230.9348466641.

The spelling of 12315964 in words is "twelve million, three hundred fifteen thousand, nine hundred sixty-four".