12747889842597 has 192 divisors, whose sum is σ = 25197959987200. Its totient is φ = 6021389767680.

The previous prime is 12747889842577. The next prime is 12747889842617. The reversal of 12747889842597 is 79524898874721.

12747889842597 is a `hidden beast` number, since 1 + 2 + 7 + 478 + 8 + 98 + 4 + 2 + 59 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (12747889842577) and next prime (12747889842617).

It is not a de Polignac number, because 12747889842597 - 2¹⁴ = 12747889826213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747889842577) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20435529 + ... + 21050097.

Almost surely, 2^{12747889842597} is an apocalyptic number.

It is an amenable number.

12747889842597 is a deficient number, since it is larger than the sum of its proper divisors (12450070144603).

12747889842597 is a wasteful number, since it uses less digits than its factorization.

12747889842597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614688 (or 614685 counting only the distinct ones).

The product of its digits is 4551966720, while the sum is 81.

The spelling of 12747889842597 in words is "twelve trillion, seven hundred forty-seven billion, eight hundred eighty-nine million, eight hundred forty-two thousand, five hundred ninety-seven".