13669589 has 2 divisors, whose sum is σ = 13669590. Its totient is φ = 13669588.

The previous prime is 13669583. The next prime is 13669597. The reversal of 13669589 is 98596631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 1067089 = 3550^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 13669589 - 2⁸ = 13669333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13669583) 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, 6834794 + 6834795.

It is an arithmetic number, because the mean of its divisors is an integer number (6834795).

Almost surely, 2^13669589 is an apocalyptic number.

It is an amenable number.

13669589 is a deficient number, since it is larger than the sum of its proper divisors (1).

13669589 is an equidigital number, since it uses as much as digits as its factorization.

13669589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 13669589 is about 3697.2407278942. The cubic root of 13669589 is about 239.1030699854.

The spelling of 13669589 in words is "thirteen million, six hundred sixty-nine thousand, five hundred eighty-nine".