12696507 has 12 divisors (see below), whose sum is σ = 19019000. Its totient is φ = 8464176.

The previous prime is 12696493. The next prime is 12696517. The reversal of 12696507 is 70569621.

It is not a de Polignac number, because 12696507 - 2⁴ = 12696491 is a prime.

It is a super-2 number, since 2×12696507² = 322402580002098, which contains 22 as substring.

It is a Duffinian number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25882 + ... + 26367.

Almost surely, 2^12696507 is an apocalyptic number.

12696507 is a deficient number, since it is larger than the sum of its proper divisors (6322493).

12696507 is an frugal number, since it uses more digits than its factorization.

12696507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52264 (or 52252 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 12696507 is about 3563.2158228207. The cubic root of 12696507 is about 233.2892635591.

It can be divided in two parts, 12696 and 507, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12696507 in words is "twelve million, six hundred ninety-six thousand, five hundred seven".