12643274760 has 64 divisors (see below), whose sum is σ = 37947571200. Its totient is φ = 3369962496.

The previous prime is 12643274723. The next prime is 12643274771. The reversal of 12643274760 is 6747234621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245152 + ... + 292208.

It is an arithmetic number, because the mean of its divisors is an integer number (592930800).

Almost surely, 2^12643274760 is an apocalyptic number.

12643274760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12643274760 is an abundant number, since it is smaller than the sum of its proper divisors (25304296440).

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

12643274760 is a wasteful number, since it uses less digits than its factorization.

12643274760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49310 (or 49306 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 12643274760 in words is "twelve billion, six hundred forty-three million, two hundred seventy-four thousand, seven hundred sixty".