12697713 has 18 divisors (see below), whose sum is σ = 21336354. Its totient is φ = 7255584.

The previous prime is 12697703. The next prime is 12697717. The reversal of 12697713 is 31779621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9659664 + 3038049 = 3108^2 + 1743^2 .

It is not a de Polignac number, because 12697713 - 2¹⁰ = 12696689 is a prime.

It is a super-2 number, since 2×12697713² = 322463830860738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12697717) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13956 + ... + 14837.

It is an arithmetic number, because the mean of its divisors is an integer number (1185353).

Almost surely, 2^12697713 is an apocalyptic number.

It is an amenable number.

12697713 is a deficient number, since it is larger than the sum of its proper divisors (8638641).

12697713 is a wasteful number, since it uses less digits than its factorization.

12697713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28813 (or 28803 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 12697713 is about 3563.3850479565. The cubic root of 12697713 is about 233.2966497886.

The spelling of 12697713 in words is "twelve million, six hundred ninety-seven thousand, seven hundred thirteen".