12652857 has 24 divisors (see below), whose sum is σ = 21093696. Its totient is φ = 7158816.

The previous prime is 12652847. The next prime is 12652859. The reversal of 12652857 is 75825621.

It is a happy number.

12652857 is a `hidden beast` number, since 126 + 528 + 5 + 7 = 666.

It is not a de Polignac number, because 12652857 - 2¹⁰ = 12651833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12652859) 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, 5803 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (878904).

Almost surely, 2^12652857 is an apocalyptic number.

It is an amenable number.

12652857 is a deficient number, since it is larger than the sum of its proper divisors (8440839).

12652857 is a wasteful number, since it uses less digits than its factorization.

12652857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1994 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 12652857 is about 3557.0854642530. The cubic root of 12652857 is about 233.0216107225.

The spelling of 12652857 in words is "twelve million, six hundred fifty-two thousand, eight hundred fifty-seven".