12609399007 has 4 divisors (see below), whose sum is σ = 12609998176. Its totient is φ = 12608799840.

The previous prime is 12609398983. The next prime is 12609399031. The reversal of 12609399007 is 70099390621.

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

It is an interprime number because it is at equal distance from previous prime (12609398983) and next prime (12609399031).

It is a cyclic number.

It is not a de Polignac number, because 12609399007 - 2¹⁵ = 12609366239 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 (12609399707) 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, 266823 + ... + 310504.

It is an arithmetic number, because the mean of its divisors is an integer number (3152499544).

Almost surely, 2^12609399007 is an apocalyptic number.

12609399007 is a deficient number, since it is larger than the sum of its proper divisors (599169).

12609399007 is an equidigital number, since it uses as much as digits as its factorization.

12609399007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599168.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 12609399007 in words is "twelve billion, six hundred nine million, three hundred ninety-nine thousand, seven".