12906579 has 16 divisors (see below), whose sum is σ = 20125952. Its totient is φ = 7203168.

The previous prime is 12906577. The next prime is 12906589. The reversal of 12906579 is 97560921.

It is not a de Polignac number, because 12906579 - 2¹ = 12906577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12906577) 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 15 ways as a sum of consecutive naturals, for example, 6244 + ... + 8049.

It is an arithmetic number, because the mean of its divisors is an integer number (1257872).

Almost surely, 2^12906579 is an apocalyptic number.

12906579 is a deficient number, since it is larger than the sum of its proper divisors (7219373).

12906579 is a wasteful number, since it uses less digits than its factorization.

12906579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 12906579 is about 3592.5727550044. The cubic root of 12906579 is about 234.5688730434.

The spelling of 12906579 in words is "twelve million, nine hundred six thousand, five hundred seventy-nine".