12765296318 has 4 divisors (see below), whose sum is σ = 19147944480. Its totient is φ = 6382648158.

The previous prime is 12765296317. The next prime is 12765296339. The reversal of 12765296318 is 81369256721.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765296317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191324078 + ... + 3191324081.

It is an arithmetic number, because the mean of its divisors is an integer number (4786986120).

Almost surely, 2^12765296318 is an apocalyptic number.

12765296318 is a deficient number, since it is larger than the sum of its proper divisors (6382648162).

12765296318 is an equidigital number, since it uses as much as digits as its factorization.

12765296318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382648161.

The product of its digits is 1088640, while the sum is 50.

The spelling of 12765296318 in words is "twelve billion, seven hundred sixty-five million, two hundred ninety-six thousand, three hundred eighteen".