12740340561917 has 8 divisors (see below), whose sum is σ = 12768036424320. Its totient is φ = 12712645471680.

The previous prime is 12740340561877. The next prime is 12740340561967. The reversal of 12740340561917 is 71916504304721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12740340561917 - 2⁶ = 12740340561853 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 (12740340561967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43622309 + ... + 43913397.

It is an arithmetic number, because the mean of its divisors is an integer number (1596004553040).

Almost surely, 2^{12740340561917} is an apocalyptic number.

It is an amenable number.

12740340561917 is a deficient number, since it is larger than the sum of its proper divisors (27695862403).

12740340561917 is an equidigital number, since it uses as much as digits as its factorization.

12740340561917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386083.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 12740340561917 in words is "twelve trillion, seven hundred forty billion, three hundred forty million, five hundred sixty-one thousand, nine hundred seventeen".