12979507 has 8 divisors (see below), whose sum is σ = 13376000. Its totient is φ = 12587400.

The previous prime is 12979453. The next prime is 12979511. The reversal of 12979507 is 70597921.

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 12979507 - 2²³ = 4590899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12979507.

It is not an unprimeable number, because it can be changed into a prime (12979597) 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 7 ways as a sum of consecutive naturals, for example, 5494 + ... + 7492.

It is an arithmetic number, because the mean of its divisors is an integer number (1672000).

Almost surely, 2^12979507 is an apocalyptic number.

12979507 is a deficient number, since it is larger than the sum of its proper divisors (396493).

12979507 is a wasteful number, since it uses less digits than its factorization.

12979507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 12979507 is about 3602.7082868309. The cubic root of 12979507 is about 235.0098501983.

The spelling of 12979507 in words is "twelve million, nine hundred seventy-nine thousand, five hundred seven".