13504321120 has 24 divisors (see below), whose sum is σ = 31903959024. Its totient is φ = 5401728384.

The previous prime is 13504321109. The next prime is 13504321147. The reversal of 13504321120 is 2112340531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13504321091 and 13504321100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42200844 + ... + 42201163.

It is an arithmetic number, because the mean of its divisors is an integer number (1329331626).

Almost surely, 2^13504321120 is an apocalyptic number.

13504321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504321120 is an abundant number, since it is smaller than the sum of its proper divisors (18399637904).

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

13504321120 is an equidigital number, since it uses as much as digits as its factorization.

13504321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84402022 (or 84402014 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13504321120 its reverse (2112340531), we get a palindrome (15616661651).

The spelling of 13504321120 in words is "thirteen billion, five hundred four million, three hundred twenty-one thousand, one hundred twenty".