12995622763 has 4 divisors (see below), whose sum is σ = 13060927600. Its totient is φ = 12930317928.

The previous prime is 12995622751. The next prime is 12995622781. The reversal of 12995622763 is 36722659921.

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

It is a de Polignac number, because none of the positive numbers 2^k-12995622763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12995622763.

It is not an unprimeable number, because it can be changed into a prime (12995622713) 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 3 ways as a sum of consecutive naturals, for example, 32652120 + ... + 32652517.

It is an arithmetic number, because the mean of its divisors is an integer number (3265231900).

Almost surely, 2^12995622763 is an apocalyptic number.

12995622763 is a deficient number, since it is larger than the sum of its proper divisors (65304837).

12995622763 is an equidigital number, since it uses as much as digits as its factorization.

12995622763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65304836.

The product of its digits is 2449440, while the sum is 52.

The spelling of 12995622763 in words is "twelve billion, nine hundred ninety-five million, six hundred twenty-two thousand, seven hundred sixty-three".