12725722685 has 32 divisors (see below), whose sum is σ = 16755742080. Its totient is φ = 9220808448.

The previous prime is 12725722661. The next prime is 12725722699. The reversal of 12725722685 is 58622752721.

It is a cyclic number.

It is not a de Polignac number, because 12725722685 - 2¹² = 12725718589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2248319 + ... + 2253971.

It is an arithmetic number, because the mean of its divisors is an integer number (523616940).

Almost surely, 2^12725722685 is an apocalyptic number.

It is an amenable number.

12725722685 is a deficient number, since it is larger than the sum of its proper divisors (4030019395).

12725722685 is a wasteful number, since it uses less digits than its factorization.

12725722685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317.

The product of its digits is 940800, while the sum is 47.

The spelling of 12725722685 in words is "twelve billion, seven hundred twenty-five million, seven hundred twenty-two thousand, six hundred eighty-five".