13221676 has 24 divisors (see below), whose sum is σ = 25041744. Its totient is φ = 6072000.

The previous prime is 13221673. The next prime is 13221679. The reversal of 13221676 is 67612231.

It is an interprime number because it is at equal distance from previous prime (13221673) and next prime (13221679).

It is not an unprimeable number, because it can be changed into a prime (13221671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12546 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (1043406).

Almost surely, 2^13221676 is an apocalyptic number.

It is an amenable number.

13221676 is a deficient number, since it is larger than the sum of its proper divisors (11820068).

13221676 is a wasteful number, since it uses less digits than its factorization.

13221676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1279 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 13221676 is about 3636.1622626060. The cubic root of 13221676 is about 236.4624419080.

The spelling of 13221676 in words is "thirteen million, two hundred twenty-one thousand, six hundred seventy-six".