13597208117 has 8 divisors (see below), whose sum is σ = 13709403576. Its totient is φ = 13485449152.

The previous prime is 13597208071. The next prime is 13597208173. The reversal of 13597208117 is 71180279531.

It can be written as a sum of positive squares in 4 ways, for example, as 5762479921 + 7834728196 = 75911^2 + 88514^2 .

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 13597208117 - 2¹⁰ = 13597207093 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 (13597205117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46418 + ... + 171315.

It is an arithmetic number, because the mean of its divisors is an integer number (1713675447).

Almost surely, 2^13597208117 is an apocalyptic number.

It is an amenable number.

13597208117 is a deficient number, since it is larger than the sum of its proper divisors (112195459).

13597208117 is a wasteful number, since it uses less digits than its factorization.

13597208117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218247.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 13597208117 in words is "thirteen billion, five hundred ninety-seven million, two hundred eight thousand, one hundred seventeen".