12906879 has 4 divisors (see below), whose sum is σ = 17209176. Its totient is φ = 8604584.

The previous prime is 12906863. The next prime is 12906937. The reversal of 12906879 is 97860921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97860921 = 3 ⋅32620307.

It is a cyclic number.

It is not a de Polignac number, because 12906879 - 2⁴ = 12906863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12906879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12906379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151144 + ... + 2151149.

It is an arithmetic number, because the mean of its divisors is an integer number (4302294).

Almost surely, 2^12906879 is an apocalyptic number.

12906879 is a deficient number, since it is larger than the sum of its proper divisors (4302297).

12906879 is an equidigital number, since it uses as much as digits as its factorization.

12906879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302296.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 12906879 is about 3592.6145075697. The cubic root of 12906879 is about 234.5706904658.

The spelling of 12906879 in words is "twelve million, nine hundred six thousand, eight hundred seventy-nine".