12880679 has 24 divisors (see below), whose sum is σ = 16250400. Its totient is φ = 10170048.

The previous prime is 12880657. The next prime is 12880691. The reversal of 12880679 is 97608821.

It is not a de Polignac number, because 12880679 - 2²⁰ = 11832103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880649) 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 23 ways as a sum of consecutive naturals, for example, 274034 + ... + 274080.

It is an arithmetic number, because the mean of its divisors is an integer number (677100).

Almost surely, 2^12880679 is an apocalyptic number.

12880679 is a deficient number, since it is larger than the sum of its proper divisors (3369721).

12880679 is an frugal number, since it uses more digits than its factorization.

12880679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 12880679 is about 3588.9662857152. The cubic root of 12880679 is about 234.4118626227.

The spelling of 12880679 in words is "twelve million, eight hundred eighty thousand, six hundred seventy-nine".