13585889 has 2 divisors, whose sum is σ = 13585890. Its totient is φ = 13585888.

The previous prime is 13585853. The next prime is 13585903. The reversal of 13585889 is 98858531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 153664 = 3665^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 13585889 - 2⁸ = 13585633 is a prime.

It is not a weakly prime, because it can be changed into another prime (13585189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6792944 + 6792945.

It is an arithmetic number, because the mean of its divisors is an integer number (6792945).

Almost surely, 2^13585889 is an apocalyptic number.

It is an amenable number.

13585889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13585889 is an equidigital number, since it uses as much as digits as its factorization.

13585889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 47.

The square root of 13585889 is about 3685.9040953340. The cubic root of 13585889 is about 238.6140547122.

The spelling of 13585889 in words is "thirteen million, five hundred eighty-five thousand, eight hundred eighty-nine".