13013807860 has 12 divisors (see below), whose sum is σ = 27328996548. Its totient is φ = 5205523136.

The previous prime is 13013807857. The next prime is 13013807861. The reversal of 13013807860 is 6870831031.

It can be written as a sum of positive squares in 2 ways, for example, as 3289481316 + 9724326544 = 57354^2 + 98612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013807861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325345177 + ... + 325345216.

It is an arithmetic number, because the mean of its divisors is an integer number (2277416379).

Almost surely, 2^13013807860 is an apocalyptic number.

13013807860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013807860 is an abundant number, since it is smaller than the sum of its proper divisors (14315188688).

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

13013807860 is a wasteful number, since it uses less digits than its factorization.

13013807860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650690402 (or 650690400 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 13013807860 in words is "thirteen billion, thirteen million, eight hundred seven thousand, eight hundred sixty".