12715712369 has 4 divisors (see below), whose sum is σ = 12733060596. Its totient is φ = 12698364144.

The previous prime is 12715712351. The next prime is 12715712371. The reversal of 12715712369 is 96321751721.

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 11753161744 + 962550625 = 108412^2 + 31025^2 .

It is a cyclic number.

It is not a de Polignac number, because 12715712369 - 2¹⁶ = 12715646833 is a prime.

It is a super-2 number, since 2×12715712369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12715712329) 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, 8673014 + ... + 8674479.

It is an arithmetic number, because the mean of its divisors is an integer number (3183265149).

Almost surely, 2^12715712369 is an apocalyptic number.

It is an amenable number.

12715712369 is a deficient number, since it is larger than the sum of its proper divisors (17348227).

12715712369 is an equidigital number, since it uses as much as digits as its factorization.

12715712369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17348226.

The product of its digits is 158760, while the sum is 44.

The spelling of 12715712369 in words is "twelve billion, seven hundred fifteen million, seven hundred twelve thousand, three hundred sixty-nine".