12979146 has 16 divisors (see below), whose sum is σ = 26164224. Its totient is φ = 4292064.

The previous prime is 12979139. The next prime is 12979151. The reversal of 12979146 is 64197921.

It is an unprimeable number.

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, 7755 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (1635264).

Almost surely, 2^12979146 is an apocalyptic number.

12979146 is an abundant number, since it is smaller than the sum of its proper divisors (13185078).

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

12979146 is a wasteful number, since it uses less digits than its factorization.

12979146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17165.

The product of its digits is 27216, while the sum is 39.

The square root of 12979146 is about 3602.6581852849. The cubic root of 12979146 is about 235.0076713959.

The spelling of 12979146 in words is "twelve million, nine hundred seventy-nine thousand, one hundred forty-six".