12747487580 has 24 divisors (see below), whose sum is σ = 27339294528. Its totient is φ = 4990505408.

The previous prime is 12747487579. The next prime is 12747487589. The reversal of 12747487580 is 8578474721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747487589) 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, 6779639 + ... + 6781518.

It is an arithmetic number, because the mean of its divisors is an integer number (1139137272).

Almost surely, 2^12747487580 is an apocalyptic number.

12747487580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12747487580 is an abundant number, since it is smaller than the sum of its proper divisors (14591806948).

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

12747487580 is a wasteful number, since it uses less digits than its factorization.

12747487580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561213 (or 13561211 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 53.

The spelling of 12747487580 in words is "twelve billion, seven hundred forty-seven million, four hundred eighty-seven thousand, five hundred eighty".