12886679 has 8 divisors (see below), whose sum is σ = 13914432. Its totient is φ = 11864160.

The previous prime is 12886667. The next prime is 12886711. The reversal of 12886679 is 97668821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12886679 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 (12886649) 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 7 ways as a sum of consecutive naturals, for example, 4949 + ... + 7089.

It is an arithmetic number, because the mean of its divisors is an integer number (1739304).

Almost surely, 2^12886679 is an apocalyptic number.

12886679 is a deficient number, since it is larger than the sum of its proper divisors (1027753).

12886679 is a wasteful number, since it uses less digits than its factorization.

12886679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617.

The product of its digits is 290304, while the sum is 47.

The square root of 12886679 is about 3589.8020836809. The cubic root of 12886679 is about 234.4482544114.

The spelling of 12886679 in words is "twelve million, eight hundred eighty-six thousand, six hundred seventy-nine".