12696057 has 24 divisors (see below), whose sum is σ = 20124000. Its totient is φ = 7649280.

The previous prime is 12696053. The next prime is 12696071. The reversal of 12696057 is 75069621.

It is not a de Polignac number, because 12696057 - 2² = 12696053 is a prime.

It is a super-2 number, since 2×12696057² = 322379726694498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12696053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25194 + ... + 25692.

It is an arithmetic number, because the mean of its divisors is an integer number (838500).

Almost surely, 2^12696057 is an apocalyptic number.

It is an amenable number.

12696057 is a deficient number, since it is larger than the sum of its proper divisors (7427943).

12696057 is a wasteful number, since it uses less digits than its factorization.

12696057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 770 counting only the distinct ones).

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

The square root of 12696057 is about 3563.1526770544. The cubic root of 12696057 is about 233.2865073835.

The spelling of 12696057 in words is "twelve million, six hundred ninety-six thousand, fifty-seven".