13486591 has 2 divisors, whose sum is σ = 13486592. Its totient is φ = 13486590.

The previous prime is 13486547. The next prime is 13486597. The reversal of 13486591 is 19568431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13486591 - 2⁹ = 13486079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13486591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13486597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743295 + 6743296.

It is an arithmetic number, because the mean of its divisors is an integer number (6743296).

Almost surely, 2^13486591 is an apocalyptic number.

13486591 is a deficient number, since it is larger than the sum of its proper divisors (1).

13486591 is an equidigital number, since it uses as much as digits as its factorization.

13486591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 13486591 is about 3672.4094270656. The cubic root of 13486591 is about 238.0312966400.

The spelling of 13486591 in words is "thirteen million, four hundred eighty-six thousand, five hundred ninety-one".