12842856 has 48 divisors (see below), whose sum is σ = 37461060. Its totient is φ = 3951360.

The previous prime is 12842849. The next prime is 12842861. The reversal of 12842856 is 65824821.

It can be written as a sum of positive squares in 2 ways, for example, as 11329956 + 1512900 = 3366^2 + 1230^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12842856.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5925 + ... + 7796.

Almost surely, 2^12842856 is an apocalyptic number.

It is an amenable number.

12842856 is an abundant number, since it is smaller than the sum of its proper divisors (24618204).

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

12842856 is a wasteful number, since it uses less digits than its factorization.

12842856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13746 (or 13739 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12842856 is about 3583.6930672143. The cubic root of 12842856 is about 234.1821942876.

The spelling of 12842856 in words is "twelve million, eight hundred forty-two thousand, eight hundred fifty-six".