12956982 has 8 divisors (see below), whose sum is σ = 25913976. Its totient is φ = 4318992.

The previous prime is 12956953. The next prime is 12957013. The reversal of 12956982 is 28965921.

It is a sphenic number, since it is the product of 3 distinct primes.

12956982 is an admirable number.

It is a super-3 number, since 3×12956982³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079743 + ... + 1079754.

It is an arithmetic number, because the mean of its divisors is an integer number (3239247).

Almost surely, 2^12956982 is an apocalyptic number.

12956982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12956982 is a wasteful number, since it uses less digits than its factorization.

12956982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159502.

The product of its digits is 77760, while the sum is 42.

The square root of 12956982 is about 3599.5808089276. The cubic root of 12956982 is about 234.8738239211.

The spelling of 12956982 in words is "twelve million, nine hundred fifty-six thousand, nine hundred eighty-two".