12338717397 has 4 divisors (see below), whose sum is σ = 16451623200. Its totient is φ = 8225811596.

The previous prime is 12338717393. The next prime is 12338717399. The reversal of 12338717397 is 79371783321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12338717397 - 2² = 12338717393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12338717393) 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, 2056452897 + ... + 2056452902.

It is an arithmetic number, because the mean of its divisors is an integer number (4112905800).

Almost surely, 2^12338717397 is an apocalyptic number.

It is an amenable number.

12338717397 is a deficient number, since it is larger than the sum of its proper divisors (4112905803).

12338717397 is an equidigital number, since it uses as much as digits as its factorization.

12338717397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112905802.

The product of its digits is 1333584, while the sum is 51.

The spelling of 12338717397 in words is "twelve billion, three hundred thirty-eight million, seven hundred seventeen thousand, three hundred ninety-seven".