12925591599 has 4 divisors (see below), whose sum is σ = 17234122136. Its totient is φ = 8617061064.

The previous prime is 12925591517. The next prime is 12925591603. The reversal of 12925591599 is 99519552921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12925591599 - 2⁹ = 12925591087 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 (12925521599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154265264 + ... + 2154265269.

It is an arithmetic number, because the mean of its divisors is an integer number (4308530534).

Almost surely, 2^12925591599 is an apocalyptic number.

12925591599 is a deficient number, since it is larger than the sum of its proper divisors (4308530537).

12925591599 is an equidigital number, since it uses as much as digits as its factorization.

12925591599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308530536.

The product of its digits is 3280500, while the sum is 57.

The spelling of 12925591599 in words is "twelve billion, nine hundred twenty-five million, five hundred ninety-one thousand, five hundred ninety-nine".