12688713 has 12 divisors (see below), whose sum is σ = 19293040. Its totient is φ = 8013816.

The previous prime is 12688699. The next prime is 12688727. The reversal of 12688713 is 31788621.

It is an interprime number because it is at equal distance from previous prime (12688699) and next prime (12688727).

It is not a de Polignac number, because 12688713 - 2⁶ = 12688649 is a prime.

It is a super-2 number, since 2×12688713² = 322006875192738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12688733) 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 11 ways as a sum of consecutive naturals, for example, 36931 + ... + 37272.

Almost surely, 2^12688713 is an apocalyptic number.

It is an amenable number.

12688713 is a deficient number, since it is larger than the sum of its proper divisors (6604327).

12688713 is a wasteful number, since it uses less digits than its factorization.

12688713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74228 (or 74225 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12688713 is about 3562.1219799440. The cubic root of 12688713 is about 233.2415173902.

The spelling of 12688713 in words is "twelve million, six hundred eighty-eight thousand, seven hundred thirteen".