13099705344 has 352 divisors, whose sum is σ = 44568921600. Its totient is φ = 3759022080.

The previous prime is 13099705343. The next prime is 13099705379. The reversal of 13099705344 is 44350799031.

It is a tau number, because it is divible by the number of its divisors (352).

It is a self number, because there is not a number n which added to its sum of digits gives 13099705344.

It is not an unprimeable number, because it can be changed into a prime (13099705343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5777299 + ... + 5779565.

Almost surely, 2^13099705344 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 13099705344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22284460800).

13099705344 is an abundant number, since it is smaller than the sum of its proper divisors (31469216256).

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

13099705344 is a wasteful number, since it uses less digits than its factorization.

13099705344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 13099705344 in words is "thirteen billion, ninety-nine million, seven hundred five thousand, three hundred forty-four".