13065727488 has 160 divisors (see below), whose sum is σ = 38277550080. Its totient is φ = 3927490560.

The previous prime is 13065727471. The next prime is 13065727529. The reversal of 13065727488 is 88472756031.

It is a self number, because there is not a number n which added to its sum of digits gives 13065727488.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2142748 + ... + 2148836.

It is an arithmetic number, because the mean of its divisors is an integer number (239234688).

Almost surely, 2^13065727488 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 13065727488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19138775040).

13065727488 is an abundant number, since it is smaller than the sum of its proper divisors (25211822592).

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

13065727488 is a wasteful number, since it uses less digits than its factorization.

13065727488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248 (or 6232 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 13065727488 in words is "thirteen billion, sixty-five million, seven hundred twenty-seven thousand, four hundred eighty-eight".