13328976 has 20 divisors (see below), whose sum is σ = 34433312. Its totient is φ = 4442976.

The previous prime is 13328971. The next prime is 13328981. The reversal of 13328976 is 67982331.

It is an interprime number because it is at equal distance from previous prime (13328971) and next prime (13328981).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13328971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138796 + ... + 138891.

Almost surely, 2^13328976 is an apocalyptic number.

13328976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13328976 is an abundant number, since it is smaller than the sum of its proper divisors (21104336).

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

13328976 is a wasteful number, since it uses less digits than its factorization.

13328976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277698 (or 277692 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 13328976 is about 3650.8870155073. The cubic root of 13328976 is about 237.1003865354.

The spelling of 13328976 in words is "thirteen million, three hundred twenty-eight thousand, nine hundred seventy-six".