12679555 has 32 divisors (see below), whose sum is σ = 19123200. Its totient is φ = 7869312.

The previous prime is 12679543. The next prime is 12679571. The reversal of 12679555 is 55597621.

It is not a de Polignac number, because 12679555 - 2⁵ = 12679523 is a prime.

It is a super-2 number, since 2×12679555² = 321542229996050, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 14881 + ... + 15709.

It is an arithmetic number, because the mean of its divisors is an integer number (597600).

Almost surely, 2^12679555 is an apocalyptic number.

12679555 is a deficient number, since it is larger than the sum of its proper divisors (6443645).

12679555 is a wasteful number, since it uses less digits than its factorization.

12679555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its digits is 94500, while the sum is 40.

The square root of 12679555 is about 3560.8362781796. The cubic root of 12679555 is about 233.1853903448.

The spelling of 12679555 in words is "twelve million, six hundred seventy-nine thousand, five hundred fifty-five".