13512763720 has 32 divisors (see below), whose sum is σ = 30474299520. Its totient is φ = 5392557760.

The previous prime is 13512763709. The next prime is 13512763721. The reversal of 13512763720 is 2736721531.

It is a self number, because there is not a number n which added to its sum of digits gives 13512763720.

It is not an unprimeable number, because it can be changed into a prime (13512763721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374662 + ... + 409141.

It is an arithmetic number, because the mean of its divisors is an integer number (952321860).

Almost surely, 2^13512763720 is an apocalyptic number.

13512763720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13512763720 is an abundant number, since it is smaller than the sum of its proper divisors (16961535800).

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

13512763720 is a wasteful number, since it uses less digits than its factorization.

13512763720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784245 (or 784241 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 13512763720 in words is "thirteen billion, five hundred twelve million, seven hundred sixty-three thousand, seven hundred twenty".