13217593389128 has 36 divisors (see below), whose sum is σ = 24828167295945. Its totient is φ = 6596770688640.

The previous prime is 13217593389103. The next prime is 13217593389137. The reversal of 13217593389128 is 82198339571231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 11635889744164 + 1581703644964 = 3411142^2 + 1257658^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2570758.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9059350463 + ... + 9059351921.

Almost surely, 2^{13217593389128} is an apocalyptic number.

It is an amenable number.

13217593389128 is a deficient number, since it is larger than the sum of its proper divisors (11610573906817).

13217593389128 is an frugal number, since it uses more digits than its factorization.

13217593389128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686 (or 2342 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 62.

The spelling of 13217593389128 in words is "thirteen trillion, two hundred seventeen billion, five hundred ninety-three million, three hundred eighty-nine thousand, one hundred twenty-eight".