13387597 has 2 divisors, whose sum is σ = 13387598. Its totient is φ = 13387596.

The previous prime is 13387579. The next prime is 13387603. The reversal of 13387597 is 79578331.

13387597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (13387579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 5885476 = 2739^2 + 2426^2 .

It is a cyclic number.

It is not a de Polignac number, because 13387597 - 2²³ = 4998989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13387097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6693798 + 6693799.

It is an arithmetic number, because the mean of its divisors is an integer number (6693799).

Almost surely, 2^13387597 is an apocalyptic number.

It is an amenable number.

13387597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13387597 is an equidigital number, since it uses as much as digits as its factorization.

13387597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 13387597 is about 3658.9065306455. The cubic root of 13387597 is about 237.4474683447.

The spelling of 13387597 in words is "thirteen million, three hundred eighty-seven thousand, five hundred ninety-seven".