13299666 has 8 divisors (see below), whose sum is σ = 26599344. Its totient is φ = 4433220.

The previous prime is 13299653. The next prime is 13299679. The reversal of 13299666 is 66699231.

It is an interprime number because it is at equal distance from previous prime (13299653) and next prime (13299679).

It is a sphenic number, since it is the product of 3 distinct primes.

13299666 is an admirable number.

It is a super-2 number, since 2×13299666² = 353762231423112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108300 + ... + 1108311.

It is an arithmetic number, because the mean of its divisors is an integer number (3324918).

Almost surely, 2^13299666 is an apocalyptic number.

13299666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13299666 is a wasteful number, since it uses less digits than its factorization.

13299666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216616.

The product of its digits is 104976, while the sum is 42.

The square root of 13299666 is about 3646.8707133651. The cubic root of 13299666 is about 236.9264668882.

The spelling of 13299666 in words is "thirteen million, two hundred ninety-nine thousand, six hundred sixty-six".