13666079 has 16 divisors (see below), whose sum is σ = 16946496. Its totient is φ = 10752000.

The previous prime is 13666069. The next prime is 13666091. The reversal of 13666079 is 97066631.

13666079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13666079 - 2²⁰ = 12617503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13666019) 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, 3479 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (1059156).

Almost surely, 2^13666079 is an apocalyptic number.

13666079 is a deficient number, since it is larger than the sum of its proper divisors (3280417).

13666079 is a wasteful number, since it uses less digits than its factorization.

13666079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 13666079 is about 3696.7660191037. The cubic root of 13666079 is about 239.0826030541.

The spelling of 13666079 in words is "thirteen million, six hundred sixty-six thousand, seventy-nine".