13323839904 has 48 divisors (see below), whose sum is σ = 38861202240. Its totient is φ = 4441279680.

The previous prime is 13323839861. The next prime is 13323839909. The reversal of 13323839904 is 40993832331.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13323839904.

It is not an unprimeable number, because it can be changed into a prime (13323839909) 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, 7709692 + ... + 7711419.

It is an arithmetic number, because the mean of its divisors is an integer number (809608380).

Almost surely, 2^13323839904 is an apocalyptic number.

It is an amenable number.

13323839904 is an abundant number, since it is smaller than the sum of its proper divisors (25537362336).

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

13323839904 is a wasteful number, since it uses less digits than its factorization.

13323839904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421130 (or 15421116 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 13323839904 in words is "thirteen billion, three hundred twenty-three million, eight hundred thirty-nine thousand, nine hundred four".