12609587399 has 8 divisors (see below), whose sum is σ = 12803990640. Its totient is φ = 12415366656.

The previous prime is 12609587387. The next prime is 12609587407. The reversal of 12609587399 is 99378590621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12609587399 - 2¹² = 12609583303 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 (12609587359) 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 7 ways as a sum of consecutive naturals, for example, 97037 + ... + 186105.

It is an arithmetic number, because the mean of its divisors is an integer number (1600498830).

Almost surely, 2^12609587399 is an apocalyptic number.

12609587399 is a deficient number, since it is larger than the sum of its proper divisors (194403241).

12609587399 is an equidigital number, since it uses as much as digits as its factorization.

12609587399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91249.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 12609587399 in words is "twelve billion, six hundred nine million, five hundred eighty-seven thousand, three hundred ninety-nine".