12725346856 has 32 divisors (see below), whose sum is σ = 24980205600. Its totient is φ = 6069246400.

The previous prime is 12725346847. The next prime is 12725346899. The reversal of 12725346856 is 65864352721.

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, 311170 + ... + 349681.

It is an arithmetic number, because the mean of its divisors is an integer number (780631425).

Almost surely, 2^12725346856 is an apocalyptic number.

It is an amenable number.

12725346856 is a deficient number, since it is larger than the sum of its proper divisors (12254858744).

12725346856 is a wasteful number, since it uses less digits than its factorization.

12725346856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660969 (or 660965 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 12725346856 in words is "twelve billion, seven hundred twenty-five million, three hundred forty-six thousand, eight hundred fifty-six".