13666107 has 32 divisors (see below), whose sum is σ = 22675968. Its totient is φ = 7128576.

The previous prime is 13666099. The next prime is 13666123. The reversal of 13666107 is 70166631.

13666107 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13666107 - 2³ = 13666099 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13666127) 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, 30628 + ... + 31070.

It is an arithmetic number, because the mean of its divisors is an integer number (708624).

Almost surely, 2^13666107 is an apocalyptic number.

13666107 is a deficient number, since it is larger than the sum of its proper divisors (9009861).

13666107 is a wasteful number, since it uses less digits than its factorization.

13666107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13666107 is about 3696.7698061957. The cubic root of 13666107 is about 239.0827663369.

The spelling of 13666107 in words is "thirteen million, six hundred sixty-six thousand, one hundred seven".