12562979 has 8 divisors (see below), whose sum is σ = 14759472. Its totient is φ = 10542240.

The previous prime is 12562939. The next prime is 12562981. The reversal of 12562979 is 97926521.

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

It is a cyclic number.

It is not a de Polignac number, because 12562979 - 2⁸ = 12562723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12562919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43784 + ... + 44069.

It is an arithmetic number, because the mean of its divisors is an integer number (1844934).

Almost surely, 2^12562979 is an apocalyptic number.

12562979 is a deficient number, since it is larger than the sum of its proper divisors (2196493).

12562979 is a wasteful number, since it uses less digits than its factorization.

12562979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87877.

The product of its digits is 68040, while the sum is 41.

The square root of 12562979 is about 3544.4292911553. The cubic root of 12562979 is about 232.4685524199.

The spelling of 12562979 in words is "twelve million, five hundred sixty-two thousand, nine hundred seventy-nine".