13220966 has 16 divisors (see below), whose sum is σ = 21911040. Its totient is φ = 5932680.

The previous prime is 13220953. The next prime is 13220971. The reversal of 13220966 is 66902231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (1369440).

Almost surely, 2^13220966 is an apocalyptic number.

13220966 is a deficient number, since it is larger than the sum of its proper divisors (8690074).

13220966 is a wasteful number, since it uses less digits than its factorization.

13220966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13220966 is about 3636.0646308887. The cubic root of 13220966 is about 236.4582091784.

The spelling of 13220966 in words is "thirteen million, two hundred twenty thousand, nine hundred sixty-six".