12856476 has 12 divisors (see below), whose sum is σ = 29998472. Its totient is φ = 4285488.

The previous prime is 12856469. The next prime is 12856489. The reversal of 12856476 is 67465821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535675 + ... + 535698.

Almost surely, 2^12856476 is an apocalyptic number.

It is an amenable number.

12856476 is an abundant number, since it is smaller than the sum of its proper divisors (17141996).

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

12856476 is a wasteful number, since it uses less digits than its factorization.

12856476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071380 (or 1071378 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 12856476 is about 3585.5928380116. The cubic root of 12856476 is about 234.2649493650.

The spelling of 12856476 in words is "twelve million, eight hundred fifty-six thousand, four hundred seventy-six".