12879818 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 5240880.

The previous prime is 12879773. The next prime is 12879827. The reversal of 12879818 is 81897821.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 25355 + ... + 25857.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^12879818 is an apocalyptic number.

12879818 is a deficient number, since it is larger than the sum of its proper divisors (10344502).

12879818 is a wasteful number, since it uses less digits than its factorization.

12879818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its digits is 64512, while the sum is 44.

The square root of 12879818 is about 3588.8463327370. The cubic root of 12879818 is about 234.4066394738.

The spelling of 12879818 in words is "twelve million, eight hundred seventy-nine thousand, eight hundred eighteen".