12696512 has 28 divisors (see below), whose sum is σ = 25319736. Its totient is φ = 6316800.

The previous prime is 12696493. The next prime is 12696517. The reversal of 12696512 is 21569621.

It is a happy number.

It is a super-2 number, since 2×12696512² = 322402833932288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17762 + ... + 18462.

Almost surely, 2^12696512 is an apocalyptic number.

It is an amenable number.

12696512 is a deficient number, since it is larger than the sum of its proper divisors (12623224).

12696512 is an equidigital number, since it uses as much as digits as its factorization.

12696512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 986 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 12696512 is about 3563.2165244341. The cubic root of 12696512 is about 233.2892941829.

The spelling of 12696512 in words is "twelve million, six hundred ninety-six thousand, five hundred twelve".