12547948740 has 48 divisors (see below), whose sum is σ = 36267624960. Its totient is φ = 3238179840.

The previous prime is 12547948711. The next prime is 12547948753. The reversal of 12547948740 is 4784974521.

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, 3371245 + ... + 3374964.

It is an arithmetic number, because the mean of its divisors is an integer number (755575520).

Almost surely, 2^12547948740 is an apocalyptic number.

12547948740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12547948740 is an abundant number, since it is smaller than the sum of its proper divisors (23719676220).

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

12547948740 is a wasteful number, since it uses less digits than its factorization.

12547948740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746252 (or 6746250 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 12547948740 in words is "twelve billion, five hundred forty-seven million, nine hundred forty-eight thousand, seven hundred forty".