13266666 has 40 divisors (see below), whose sum is σ = 33976800. Its totient is φ = 3790152.

The previous prime is 13266641. The next prime is 13266677. The reversal of 13266666 is 66666231.

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

13266666 is a modest number, since divided by 6666 gives 1326 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 13266666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4716 + ... + 6983.

It is an arithmetic number, because the mean of its divisors is an integer number (849420).

Almost surely, 2^13266666 is an apocalyptic number.

13266666 is an abundant number, since it is smaller than the sum of its proper divisors (20710134).

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

13266666 is a wasteful number, since it uses less digits than its factorization.

13266666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720 (or 11711 counting only the distinct ones).

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

The square root of 13266666 is about 3642.3434763899. The cubic root of 13266666 is about 236.7303454471.

The spelling of 13266666 in words is "thirteen million, two hundred sixty-six thousand, six hundred sixty-six".