13229872 has 10 divisors (see below), whose sum is σ = 25632908. Its totient is φ = 6614928.

The previous prime is 13229861. The next prime is 13229897. The reversal of 13229872 is 27892231.

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 as a sum of consecutive naturals, namely, 413418 + ... + 413449.

Almost surely, 2^13229872 is an apocalyptic number.

It is an amenable number.

13229872 is a deficient number, since it is larger than the sum of its proper divisors (12403036).

13229872 is an equidigital number, since it uses as much as digits as its factorization.

13229872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826875 (or 826869 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 13229872 is about 3637.2891004153. The cubic root of 13229872 is about 236.5112921408.

The spelling of 13229872 in words is "thirteen million, two hundred twenty-nine thousand, eight hundred seventy-two".