13501597 has 2 divisors, whose sum is σ = 13501598. Its totient is φ = 13501596.

The previous prime is 13501589. The next prime is 13501603. The reversal of 13501597 is 79510531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10896601 + 2604996 = 3301^2 + 1614^2 .

It is a cyclic number.

It is not a de Polignac number, because 13501597 - 2³ = 13501589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13501517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750798 + 6750799.

It is an arithmetic number, because the mean of its divisors is an integer number (6750799).

Almost surely, 2^13501597 is an apocalyptic number.

It is an amenable number.

13501597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13501597 is an equidigital number, since it uses as much as digits as its factorization.

13501597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 13501597 is about 3674.4519319213. The cubic root of 13501597 is about 238.1195466083.

The spelling of 13501597 in words is "thirteen million, five hundred one thousand, five hundred ninety-seven".