13107926528 has 40 divisors (see below), whose sum is σ = 26241054840. Its totient is φ = 6541250560.

The previous prime is 13107926519. The next prime is 13107926539. The reversal of 13107926528 is 82562970131.

It is a super-2 number, since 2×13107926528² (a number of 21 digits) contains 22 as substring.

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, 242183 + ... + 291321.

It is an arithmetic number, because the mean of its divisors is an integer number (656026371).

Almost surely, 2^13107926528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13107926528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13120527420).

13107926528 is an abundant number, since it is smaller than the sum of its proper divisors (13133128312).

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

13107926528 is an frugal number, since it uses more digits than its factorization.

13107926528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49678 (or 49662 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 13107926528 in words is "thirteen billion, one hundred seven million, nine hundred twenty-six thousand, five hundred twenty-eight".