12679689 has 16 divisors (see below), whose sum is σ = 18558144. Its totient is φ = 7636800.

The previous prime is 12679687. The next prime is 12679691. The reversal of 12679689 is 98697621.

It is an interprime number because it is at equal distance from previous prime (12679687) and next prime (12679691).

It is not a de Polignac number, because 12679689 - 2¹ = 12679687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12679687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4599 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (1159884).

Almost surely, 2^12679689 is an apocalyptic number.

It is an amenable number.

12679689 is a deficient number, since it is larger than the sum of its proper divisors (5878455).

12679689 is a wasteful number, since it uses less digits than its factorization.

12679689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its digits is 326592, while the sum is 48.

The square root of 12679689 is about 3560.8550939346. The cubic root of 12679689 is about 233.1862117914.

The spelling of 12679689 in words is "twelve million, six hundred seventy-nine thousand, six hundred eighty-nine".