13355972 has 24 divisors (see below), whose sum is σ = 27335616. Its totient is φ = 5590368.

The previous prime is 13355971. The next prime is 13355983. The reversal of 13355972 is 27955331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13355971) by changing a digit.

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, 4343 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (1138984).

Almost surely, 2^13355972 is an apocalyptic number.

It is an amenable number.

13355972 is an abundant number, since it is smaller than the sum of its proper divisors (13979644).

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

13355972 is a wasteful number, since it uses less digits than its factorization.

13355972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11145 counting only the distinct ones).

The product of its digits is 28350, while the sum is 35.

The square root of 13355972 is about 3654.5823290767. The cubic root of 13355972 is about 237.2603499515.

The spelling of 13355972 in words is "thirteen million, three hundred fifty-five thousand, nine hundred seventy-two".