13120309104 has 40 divisors (see below), whose sum is σ = 38736151680. Its totient is φ = 3748659648.

The previous prime is 13120309057. The next prime is 13120309117. The reversal of 13120309104 is 40190302131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 19523934 + ... + 19524605.

It is an arithmetic number, because the mean of its divisors is an integer number (968403792).

Almost surely, 2^13120309104 is an apocalyptic number.

13120309104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13120309104 is an abundant number, since it is smaller than the sum of its proper divisors (25615842576).

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

13120309104 is a wasteful number, since it uses less digits than its factorization.

13120309104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39048557 (or 39048551 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 13120309104 in words is "thirteen billion, one hundred twenty million, three hundred nine thousand, one hundred four".