12373857 has 16 divisors (see below), whose sum is σ = 18679680. Its totient is φ = 8092656.

The previous prime is 12373847. The next prime is 12373861. The reversal of 12373857 is 75837321.

It is not a de Polignac number, because 12373857 - 2⁷ = 12373729 is a prime.

It is a super-2 number, since 2×12373857² = 306224674112898, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12373847) 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, 2893 + ... + 5754.

It is an arithmetic number, because the mean of its divisors is an integer number (1167480).

Almost surely, 2^12373857 is an apocalyptic number.

It is an amenable number.

12373857 is a deficient number, since it is larger than the sum of its proper divisors (6305823).

12373857 is an equidigital number, since it uses as much as digits as its factorization.

12373857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709 (or 8703 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12373857 is about 3517.6493571702. The cubic root of 12373857 is about 231.2961289034.

The spelling of 12373857 in words is "twelve million, three hundred seventy-three thousand, eight hundred fifty-seven".