13329816 has 32 divisors (see below), whose sum is σ = 33504000. Its totient is φ = 4419360.

The previous prime is 13329803. The next prime is 13329817. The reversal of 13329816 is 61892331.

13329816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13329817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3381 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (1047000).

Almost surely, 2^13329816 is an apocalyptic number.

It is an amenable number.

13329816 is an abundant number, since it is smaller than the sum of its proper divisors (20174184).

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

13329816 is a wasteful number, since it uses less digits than its factorization.

13329816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999 (or 2995 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 13329816 is about 3651.0020542311. The cubic root of 13329816 is about 237.1053671666.

The spelling of 13329816 in words is "thirteen million, three hundred twenty-nine thousand, eight hundred sixteen".