13056640760 has 64 divisors (see below), whose sum is σ = 30608824320. Its totient is φ = 5006897280.

The previous prime is 13056640687. The next prime is 13056640777. The reversal of 13056640760 is 6704665031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83477 + ... + 181883.

It is an arithmetic number, because the mean of its divisors is an integer number (478262880).

Almost surely, 2^13056640760 is an apocalyptic number.

13056640760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13056640760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15304412160).

13056640760 is an abundant number, since it is smaller than the sum of its proper divisors (17552183560).

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

13056640760 is a wasteful number, since it uses less digits than its factorization.

13056640760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98556 (or 98552 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 13056640760 in words is "thirteen billion, fifty-six million, six hundred forty thousand, seven hundred sixty".