12746416057 has 8 divisors (see below), whose sum is σ = 13418620160. Its totient is φ = 12074346000.

The previous prime is 12746416031. The next prime is 12746416097. The reversal of 12746416057 is 75061464721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12746416057 is a prime.

It is a super-2 number, since 2×12746416057² (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 (12746416097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205432 + ... + 260182.

It is an arithmetic number, because the mean of its divisors is an integer number (1677327520).

Almost surely, 2^12746416057 is an apocalyptic number.

It is an amenable number.

12746416057 is a deficient number, since it is larger than the sum of its proper divisors (672204103).

12746416057 is a wasteful number, since it uses less digits than its factorization.

12746416057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67023.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 12746416057 in words is "twelve billion, seven hundred forty-six million, four hundred sixteen thousand, fifty-seven".