12814087251917 has 12 divisors (see below), whose sum is σ = 14906408025276. Its totient is φ = 10983337646400.

The previous prime is 12814087251913. The next prime is 12814087251919. The reversal of 12814087251917 is 71915278041821.

It can be written as a sum of positive squares in 2 ways, for example, as 6858212954761 + 5955874297156 = 2618819^2 + 2440466^2 .

It is not a de Polignac number, because 12814087251917 - 2² = 12814087251913 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 (12814087251913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365167 + ... + 5243267.

It is an arithmetic number, because the mean of its divisors is an integer number (1242200668773).

Almost surely, 2^{12814087251917} is an apocalyptic number.

It is an amenable number.

12814087251917 is a deficient number, since it is larger than the sum of its proper divisors (2092320773359).

12814087251917 is an equidigital number, since it uses as much as digits as its factorization.

12814087251917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945548 (or 3945541 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 12814087251917 in words is "twelve trillion, eight hundred fourteen billion, eighty-seven million, two hundred fifty-one thousand, nine hundred seventeen".