13079966 has 4 divisors (see below), whose sum is σ = 19619952. Its totient is φ = 6539982.

The previous prime is 13079947. The next prime is 13080007. The reversal of 13079966 is 66997031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13079966² = 342171021122312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269990 + ... + 3269993.

It is an arithmetic number, because the mean of its divisors is an integer number (4904988).

Almost surely, 2^13079966 is an apocalyptic number.

13079966 is a deficient number, since it is larger than the sum of its proper divisors (6539986).

13079966 is an equidigital number, since it uses as much as digits as its factorization.

13079966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539985.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 13079966 is about 3616.6235634912. The cubic root of 13079966 is about 235.6146036685.

The spelling of 13079966 in words is "thirteen million, seventy-nine thousand, nine hundred sixty-six".