12708857 has 16 divisors (see below), whose sum is σ = 15271680. Its totient is φ = 10340352.

The previous prime is 12708823. The next prime is 12708869. The reversal of 12708857 is 75880721.

It is a cyclic number.

It is not a de Polignac number, because 12708857 - 2⁶ = 12708793 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12708857.

It is not an unprimeable number, because it can be changed into a prime (12708457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30869 + ... + 31277.

It is an arithmetic number, because the mean of its divisors is an integer number (954480).

Almost surely, 2^12708857 is an apocalyptic number.

It is an amenable number.

12708857 is a deficient number, since it is larger than the sum of its proper divisors (2562823).

12708857 is a wasteful number, since it uses less digits than its factorization.

12708857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 12708857 is about 3564.9483867232. The cubic root of 12708857 is about 233.3648798617.

The spelling of 12708857 in words is "twelve million, seven hundred eight thousand, eight hundred fifty-seven".