13232816 has 60 divisors (see below), whose sum is σ = 28346400. Its totient is φ = 5975424.

The previous prime is 13232801. The next prime is 13232867. The reversal of 13232816 is 61823231.

13232816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167465 + ... + 167543.

It is an arithmetic number, because the mean of its divisors is an integer number (472440).

Almost surely, 2^13232816 is an apocalyptic number.

13232816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13232816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14173200).

13232816 is an abundant number, since it is smaller than the sum of its proper divisors (15113584).

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

13232816 is a wasteful number, since it uses less digits than its factorization.

13232816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 129 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 13232816 is about 3637.6937749074. The cubic root of 13232816 is about 236.5288342002.

The spelling of 13232816 in words is "thirteen million, two hundred thirty-two thousand, eight hundred sixteen".