12946856 has 16 divisors (see below), whose sum is σ = 26142900. Its totient is φ = 5975424.

The previous prime is 12946841. The next prime is 12946859. The reversal of 12946856 is 65864921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10666756 + 2280100 = 3266^2 + 1510^2 .

It is not an unprimeable number, because it can be changed into a prime (12946859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62141 + ... + 62348.

Almost surely, 2^12946856 is an apocalyptic number.

It is an amenable number.

12946856 is an abundant number, since it is smaller than the sum of its proper divisors (13196044).

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

12946856 is a wasteful number, since it uses less digits than its factorization.

12946856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124508 (or 124504 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 12946856 is about 3598.1739813411. The cubic root of 12946856 is about 234.8126226276.

The spelling of 12946856 in words is "twelve million, nine hundred forty-six thousand, eight hundred fifty-six".