13666676 has 12 divisors (see below), whose sum is σ = 23949408. Its totient is φ = 6823992.

The previous prime is 13666673. The next prime is 13666687. The reversal of 13666676 is 67666631.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13666673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (1995784).

Almost surely, 2^13666676 is an apocalyptic number.

It is an amenable number.

13666676 is a deficient number, since it is larger than the sum of its proper divisors (10282732).

13666676 is a wasteful number, since it uses less digits than its factorization.

13666676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678 (or 4676 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 13666676 is about 3696.8467644737. The cubic root of 13666676 is about 239.0860844290.

The spelling of 13666676 in words is "thirteen million, six hundred sixty-six thousand, six hundred seventy-six".