12547071960 has 32 divisors (see below), whose sum is σ = 37641216240. Its totient is φ = 3345885824.

The previous prime is 12547071949. The next prime is 12547071989. The reversal of 12547071960 is 6917074521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52279347 + ... + 52279586.

Almost surely, 2^12547071960 is an apocalyptic number.

12547071960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12547071960 is an abundant number, since it is smaller than the sum of its proper divisors (25094144280).

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

12547071960 is a wasteful number, since it uses less digits than its factorization.

12547071960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104558947 (or 104558943 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 12547071960 in words is "twelve billion, five hundred forty-seven million, seventy-one thousand, nine hundred sixty".