13304816 has 40 divisors (see below), whose sum is σ = 29652864. Its totient is φ = 5664960.

The previous prime is 13304803. The next prime is 13304843. The reversal of 13304816 is 61840331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23351 + ... + 23913.

Almost surely, 2^13304816 is an apocalyptic number.

13304816 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 13304816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14826432).

13304816 is an abundant number, since it is smaller than the sum of its proper divisors (16348048).

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

13304816 is a wasteful number, since it uses less digits than its factorization.

13304816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 783 counting only the distinct ones).

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

The square root of 13304816 is about 3647.5767298304. The cubic root of 13304816 is about 236.9570444442.

The spelling of 13304816 in words is "thirteen million, three hundred four thousand, eight hundred sixteen".