13679679 has 32 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 7736832.

The previous prime is 13679669. The next prime is 13679693. The reversal of 13679679 is 97697631.

It is not a de Polignac number, because 13679679 - 2⁸ = 13679423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30942 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^13679679 is an apocalyptic number.

13679679 is a deficient number, since it is larger than the sum of its proper divisors (7609281).

13679679 is a wasteful number, since it uses less digits than its factorization.

13679679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 428652, while the sum is 48.

The square root of 13679679 is about 3698.6050072967. The cubic root of 13679679 is about 239.1618856193.

The spelling of 13679679 in words is "thirteen million, six hundred seventy-nine thousand, six hundred seventy-nine".