13664106 has 32 divisors (see below), whose sum is σ = 30602880. Its totient is φ = 4519008.

The previous prime is 13664071. The next prime is 13664129. The reversal of 13664106 is 60146631.

13664106 is a `hidden beast` number, since 13 + 6 + 641 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13664106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6475 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (956340).

Almost surely, 2^13664106 is an apocalyptic number.

13664106 is an abundant number, since it is smaller than the sum of its proper divisors (16938774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13664106 is a wasteful number, since it uses less digits than its factorization.

13664106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13664106 is about 3696.4991546056. The cubic root of 13664106 is about 239.0710968842.

The spelling of 13664106 in words is "thirteen million, six hundred sixty-four thousand, one hundred six".