13626666 has 24 divisors (see below), whose sum is σ = 29596320. Its totient is φ = 4531176.

The previous prime is 13626659. The next prime is 13626677. The reversal of 13626666 is 66662631.

It is a nude number because it is divisible by every one of its digits.

13626666 is a modest number, since divided by 6666 gives 1362 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13626666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10531 + ... + 11753.

It is an arithmetic number, because the mean of its divisors is an integer number (1233180).

Almost surely, 2^13626666 is an apocalyptic number.

13626666 is an abundant number, since it is smaller than the sum of its proper divisors (15969654).

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

13626666 is a wasteful number, since it uses less digits than its factorization.

13626666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1847 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 13626666 is about 3691.4314296760. The cubic root of 13626666 is about 238.8525435081.

The spelling of 13626666 in words is "thirteen million, six hundred twenty-six thousand, six hundred sixty-six".