12339595837 has 4 divisors (see below), whose sum is σ = 12342421980. Its totient is φ = 12336769696.

The previous prime is 12339595823. The next prime is 12339595883. The reversal of 12339595837 is 73859593321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3573767961 + 8765827876 = 59781^2 + 93626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12339595837 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 (12339595817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406512 + ... + 1415257.

It is an arithmetic number, because the mean of its divisors is an integer number (3085605495).

Almost surely, 2^12339595837 is an apocalyptic number.

It is an amenable number.

12339595837 is a deficient number, since it is larger than the sum of its proper divisors (2826143).

12339595837 is an equidigital number, since it uses as much as digits as its factorization.

12339595837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826142.

The product of its digits is 6123600, while the sum is 55.

The spelling of 12339595837 in words is "twelve billion, three hundred thirty-nine million, five hundred ninety-five thousand, eight hundred thirty-seven".