12856216 has 16 divisors (see below), whose sum is σ = 25523640. Its totient is φ = 6049920.

The previous prime is 12856211. The next prime is 12856219. The reversal of 12856216 is 61265821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47130 + ... + 47401.

Almost surely, 2^12856216 is an apocalyptic number.

It is an amenable number.

12856216 is a deficient number, since it is larger than the sum of its proper divisors (12667424).

12856216 is a wasteful number, since it uses less digits than its factorization.

12856216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94554 (or 94550 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 12856216 is about 3585.5565816202. The cubic root of 12856216 is about 234.2633701532.

The spelling of 12856216 in words is "twelve million, eight hundred fifty-six thousand, two hundred sixteen".