13099879716 has 144 divisors (see below), whose sum is σ = 38868141312. Its totient is φ = 3395649600.

The previous prime is 13099879657. The next prime is 13099879717. The reversal of 13099879716 is 61797899031.

It is a self number, because there is not a number n which added to its sum of digits gives 13099879716.

It is not an unprimeable number, because it can be changed into a prime (13099879717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3691455 + ... + 3695001.

It is an arithmetic number, because the mean of its divisors is an integer number (269917648).

Almost surely, 2^13099879716 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 13099879716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19434070656).

13099879716 is an abundant number, since it is smaller than the sum of its proper divisors (25768261596).

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

13099879716 is a wasteful number, since it uses less digits than its factorization.

13099879716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4141 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 13099879716 in words is "thirteen billion, ninety-nine million, eight hundred seventy-nine thousand, seven hundred sixteen".