12855684 has 24 divisors (see below), whose sum is σ = 30296448. Its totient is φ = 4242400.

The previous prime is 12855683. The next prime is 12855697. The reversal of 12855684 is 48655821.

It is a super-2 number, since 2×12855684² = 330537222215712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12855683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (1262352).

Almost surely, 2^12855684 is an apocalyptic number.

It is an amenable number.

12855684 is an abundant number, since it is smaller than the sum of its proper divisors (17440764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12855684 is a wasteful number, since it uses less digits than its factorization.

12855684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10715 (or 10713 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 12855684 is about 3585.4823943230. The cubic root of 12855684 is about 234.2601387764.

The spelling of 12855684 in words is "twelve million, eight hundred fifty-five thousand, six hundred eighty-four".