13666113 has 24 divisors (see below), whose sum is σ = 21060000. Its totient is φ = 8509824.

The previous prime is 13666099. The next prime is 13666123. The reversal of 13666113 is 31166631.

It is a happy number.

13666113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13666113 - 2⁴ = 13666097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13666123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27138 + ... + 27636.

It is an arithmetic number, because the mean of its divisors is an integer number (877500).

Almost surely, 2^13666113 is an apocalyptic number.

It is an amenable number.

13666113 is a deficient number, since it is larger than the sum of its proper divisors (7393887).

13666113 is a wasteful number, since it uses less digits than its factorization.

13666113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 698 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13666113 is about 3696.7706177149. The cubic root of 13666113 is about 239.0828013261.

The spelling of 13666113 in words is "thirteen million, six hundred sixty-six thousand, one hundred thirteen".