12580979 has 8 divisors (see below), whose sum is σ = 12748800. Its totient is φ = 12414600.

The previous prime is 12580963. The next prime is 12580993. The reversal of 12580979 is 97908521.

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 12580979 - 2⁴ = 12580963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12580949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37844 + ... + 38174.

It is an arithmetic number, because the mean of its divisors is an integer number (1593600).

Almost surely, 2^12580979 is an apocalyptic number.

12580979 is a deficient number, since it is larger than the sum of its proper divisors (167821).

12580979 is a wasteful number, since it uses less digits than its factorization.

12580979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 12580979 is about 3546.9675780869. The cubic root of 12580979 is about 232.5795249600.

The spelling of 12580979 in words is "twelve million, five hundred eighty thousand, nine hundred seventy-nine".