12725695872 has 96 divisors (see below), whose sum is σ = 36822436560. Its totient is φ = 4218393600.

The previous prime is 12725695861. The next prime is 12725695901. The reversal of 12725695872 is 27859652721.

12725695872 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 56 + 9 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177997 + ... + 239027.

Almost surely, 2^12725695872 is an apocalyptic number.

12725695872 is a gapful number since it is divisible by the number (12) 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 12725695872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18411218280).

12725695872 is an abundant number, since it is smaller than the sum of its proper divisors (24096740688).

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

12725695872 is a wasteful number, since it uses less digits than its factorization.

12725695872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61232 (or 61217 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 12725695872 in words is "twelve billion, seven hundred twenty-five million, six hundred ninety-five thousand, eight hundred seventy-two".