13304405320 has 32 divisors (see below), whose sum is σ = 30295581120. Its totient is φ = 5257643200.

The previous prime is 13304405311. The next prime is 13304405327. The reversal of 13304405320 is 2350440331.

It is not an unprimeable number, because it can be changed into a prime (13304405327) 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, 2000356 + ... + 2006995.

It is an arithmetic number, because the mean of its divisors is an integer number (946736910).

Almost surely, 2^13304405320 is an apocalyptic number.

13304405320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13304405320 is an abundant number, since it is smaller than the sum of its proper divisors (16991175800).

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

13304405320 is a wasteful number, since it uses less digits than its factorization.

13304405320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007445 (or 4007441 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 13304405320 its reverse (2350440331), we get a palindrome (15654845651).

The spelling of 13304405320 in words is "thirteen billion, three hundred four million, four hundred five thousand, three hundred twenty".