13128077017 has 4 divisors (see below), whose sum is σ = 14321538576. Its totient is φ = 11934615460.

The previous prime is 13128076979. The next prime is 13128077023. The reversal of 13128077017 is 71077082131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13128077017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13128077047) 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, 596730763 + ... + 596730784.

It is an arithmetic number, because the mean of its divisors is an integer number (3580384644).

Almost surely, 2^13128077017 is an apocalyptic number.

It is an amenable number.

13128077017 is a deficient number, since it is larger than the sum of its proper divisors (1193461559).

13128077017 is a wasteful number, since it uses less digits than its factorization.

13128077017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193461558.

The product of its (nonzero) digits is 16464, while the sum is 37.

The spelling of 13128077017 in words is "thirteen billion, one hundred twenty-eight million, seventy-seven thousand, seventeen".