13235326597 has 4 divisors (see below), whose sum is σ = 13242290796. Its totient is φ = 13228362400.

The previous prime is 13235326583. The next prime is 13235326613. The reversal of 13235326597 is 79562353231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79562353231 = 2063 ⋅38566337.

It can be written as a sum of positive squares in 2 ways, for example, as 1164788641 + 12070537956 = 34129^2 + 109866^2 .

It is a cyclic number.

It is not a de Polignac number, because 13235326597 - 2¹⁹ = 13234802309 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 (13235326567) 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, 3479248 + ... + 3483049.

It is an arithmetic number, because the mean of its divisors is an integer number (3310572699).

Almost surely, 2^13235326597 is an apocalyptic number.

It is an amenable number.

13235326597 is a deficient number, since it is larger than the sum of its proper divisors (6964199).

13235326597 is an equidigital number, since it uses as much as digits as its factorization.

13235326597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964198.

The product of its digits is 1020600, while the sum is 46.

The spelling of 13235326597 in words is "thirteen billion, two hundred thirty-five million, three hundred twenty-six thousand, five hundred ninety-seven".