12886589 has 2 divisors, whose sum is σ = 12886590. Its totient is φ = 12886588.

The previous prime is 12886583. The next prime is 12886649. The reversal of 12886589 is 98568821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 284089 = 3550^2 + 533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12886589 is a prime.

It is a super-3 number, since 3×12886589³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12886583) 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, 6443294 + 6443295.

It is an arithmetic number, because the mean of its divisors is an integer number (6443295).

Almost surely, 2^12886589 is an apocalyptic number.

It is an amenable number.

12886589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12886589 is an equidigital number, since it uses as much as digits as its factorization.

12886589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 47.

The square root of 12886589 is about 3589.7895481490. The cubic root of 12886589 is about 234.4477086180.

The spelling of 12886589 in words is "twelve million, eight hundred eighty-six thousand, five hundred eighty-nine".