12925658997 has 20 divisors (see below), whose sum is σ = 19313129440. Its totient is φ = 8615129544.

The previous prime is 12925658981. The next prime is 12925659029. The reversal of 12925658997 is 79985652921.

12925658997 is a `hidden beast` number, since 1 + 29 + 25 + 6 + 589 + 9 + 7 = 666.

It is not a de Polignac number, because 12925658997 - 2⁴ = 12925658981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12925618997) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 394008 + ... + 425550.

It is an arithmetic number, because the mean of its divisors is an integer number (965656472).

Almost surely, 2^12925658997 is an apocalyptic number.

It is an amenable number.

12925658997 is a deficient number, since it is larger than the sum of its proper divisors (6387470443).

12925658997 is an equidigital number, since it uses as much as digits as its factorization.

12925658997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36614 (or 36605 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 63.

The spelling of 12925658997 in words is "twelve billion, nine hundred twenty-five million, six hundred fifty-eight thousand, nine hundred ninety-seven".