12760857 has 6 divisors (see below), whose sum is σ = 18432362. Its totient is φ = 8507232.

The previous prime is 12760849. The next prime is 12760873. The reversal of 12760857 is 75806721.

12760857 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8696601 + 4064256 = 2949^2 + 2016^2 .

It is not a de Polignac number, because 12760857 - 2³ = 12760849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12760817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708928 + ... + 708945.

Almost surely, 2^12760857 is an apocalyptic number.

It is an amenable number.

12760857 is a deficient number, since it is larger than the sum of its proper divisors (5671505).

12760857 is a wasteful number, since it uses less digits than its factorization.

12760857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417879 (or 1417876 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 12760857 is about 3572.2341748547. The cubic root of 12760857 is about 233.6827280271.

The spelling of 12760857 in words is "twelve million, seven hundred sixty thousand, eight hundred fifty-seven".