12740315873 has 4 divisors (see below), whose sum is σ = 13179637140. Its totient is φ = 12300994608.

The previous prime is 12740315867. The next prime is 12740315881. The reversal of 12740315873 is 37851304721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37851304721 = 683 ⋅55419187.

It can be written as a sum of positive squares in 2 ways, for example, as 5841850624 + 6898465249 = 76432^2 + 83057^2 .

It is a cyclic number.

It is not a de Polignac number, because 12740315873 - 2⁸ = 12740315617 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 12740315873.

It is not an unprimeable number, because it can be changed into a prime (12740315573) 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, 219660590 + ... + 219660647.

It is an arithmetic number, because the mean of its divisors is an integer number (3294909285).

Almost surely, 2^12740315873 is an apocalyptic number.

It is an amenable number.

12740315873 is a deficient number, since it is larger than the sum of its proper divisors (439321267).

12740315873 is an equidigital number, since it uses as much as digits as its factorization.

12740315873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439321266.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 12740315873 in words is "twelve billion, seven hundred forty million, three hundred fifteen thousand, eight hundred seventy-three".