13697587 has 2 divisors, whose sum is σ = 13697588. Its totient is φ = 13697586.

The previous prime is 13697561. The next prime is 13697603. The reversal of 13697587 is 78579631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13697587 - 2¹⁹ = 13173299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13697527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6848793 + 6848794.

It is an arithmetic number, because the mean of its divisors is an integer number (6848794).

Almost surely, 2^13697587 is an apocalyptic number.

13697587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13697587 is an equidigital number, since it uses as much as digits as its factorization.

13697587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 13697587 is about 3701.0251282584. The cubic root of 13697587 is about 239.2662019923.

The spelling of 13697587 in words is "thirteen million, six hundred ninety-seven thousand, five hundred eighty-seven".