13104320 has 56 divisors (see below), whose sum is σ = 32235648. Its totient is φ = 5068800.

The previous prime is 13104277. The next prime is 13104347. The reversal of 13104320 is 2340131.

13104320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13104295 and 13104304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 10580.

Almost surely, 2^13104320 is an apocalyptic number.

13104320 is a gapful number since it is divisible by the number (10) 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 13104320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16117824).

13104320 is an abundant number, since it is smaller than the sum of its proper divisors (19131328).

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

13104320 is a wasteful number, since it uses less digits than its factorization.

13104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13104320 is about 3619.9889502594. The cubic root of 13104320 is about 235.7607457504.

Adding to 13104320 its reverse (2340131), we get a palindrome (15444451).

The spelling of 13104320 in words is "thirteen million, one hundred four thousand, three hundred twenty".