12513767500 has 60 divisors (see below), whose sum is σ = 29470191520. Its totient is φ = 4620456000.

The previous prime is 12513767477. The next prime is 12513767503. The reversal of 12513767500 is 576731521.

It is a self number, because there is not a number n which added to its sum of digits gives 12513767500.

It is not an unprimeable number, because it can be changed into a prime (12513767503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160020 + ... + 225019.

Almost surely, 2^12513767500 is an apocalyptic number.

12513767500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12513767500 is an abundant number, since it is smaller than the sum of its proper divisors (16956424020).

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

12513767500 is a wasteful number, since it uses less digits than its factorization.

12513767500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385076 (or 385059 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 12513767500 in words is "twelve billion, five hundred thirteen million, seven hundred sixty-seven thousand, five hundred".