13075765072 has 20 divisors (see below), whose sum is σ = 26019006676. Its totient is φ = 6361182720.

The previous prime is 13075765057. The next prime is 13075765133. The reversal of 13075765072 is 27056757031.

It can be written as a sum of positive squares in 2 ways, for example, as 10877655616 + 2198109456 = 104296^2 + 46884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11043129 + ... + 11044312.

Almost surely, 2^13075765072 is an apocalyptic number.

It is an amenable number.

13075765072 is a deficient number, since it is larger than the sum of its proper divisors (12943241604).

13075765072 is a wasteful number, since it uses less digits than its factorization.

13075765072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22087486 (or 22087480 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 13075765072 in words is "thirteen billion, seventy-five million, seven hundred sixty-five thousand, seventy-two".