12960718249 has 4 divisors (see below), whose sum is σ = 12969471060. Its totient is φ = 12951965440.

The previous prime is 12960718237. The next prime is 12960718283. The reversal of 12960718249 is 94281706921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94281706921 = 277 ⋅340367173.

It can be written as a sum of positive squares in 2 ways, for example, as 3521235600 + 9439482649 = 59340^2 + 97157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12960718249 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12960718219) 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, 4374184 + ... + 4377145.

It is an arithmetic number, because the mean of its divisors is an integer number (3242367765).

Almost surely, 2^12960718249 is an apocalyptic number.

It is an amenable number.

12960718249 is a deficient number, since it is larger than the sum of its proper divisors (8752811).

12960718249 is an equidigital number, since it uses as much as digits as its factorization.

12960718249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752810.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 12960718249 in words is "twelve billion, nine hundred sixty million, seven hundred eighteen thousand, two hundred forty-nine".