12579013 has 6 divisors (see below), whose sum is σ = 12693062. Its totient is φ = 12465960.

The previous prime is 12578987. The next prime is 12579023. The reversal of 12579013 is 31097521.

It can be written as a sum of positive squares in only one way, i.e., 12510369 + 68644 = 3537^2 + 262^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12579013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12579023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16795 + ... + 17527.

Almost surely, 2^12579013 is an apocalyptic number.

It is an amenable number.

12579013 is a deficient number, since it is larger than the sum of its proper divisors (114049).

12579013 is an frugal number, since it uses more digits than its factorization.

12579013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12579013 is about 3546.6904291184. The cubic root of 12579013 is about 232.5674094437.

The spelling of 12579013 in words is "twelve million, five hundred seventy-nine thousand, thirteen".