12747360780 has 432 divisors, whose sum is σ = 49691625984. Its totient is φ = 2615235840.

The previous prime is 12747360779. The next prime is 12747360823. The reversal of 12747360780 is 8706374721.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8051869 + ... + 8053451.

It is an arithmetic number, because the mean of its divisors is an integer number (115026912).

Almost surely, 2^12747360780 is an apocalyptic number.

12747360780 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 12747360780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24845812992).

12747360780 is an abundant number, since it is smaller than the sum of its proper divisors (36944265204).

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

12747360780 is a wasteful number, since it uses less digits than its factorization.

12747360780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 12747360780 in words is "twelve billion, seven hundred forty-seven million, three hundred sixty thousand, seven hundred eighty".