13286489 has 2 divisors, whose sum is σ = 13286490. Its totient is φ = 13286488.

The previous prime is 13286473. The next prime is 13286513. The reversal of 13286489 is 98468231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 2449225 = 3292^2 + 1565^2 .

It is an emirp because it is prime and its reverse (98468231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13286489 - 2⁴ = 13286473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13286389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643244 + 6643245.

It is an arithmetic number, because the mean of its divisors is an integer number (6643245).

Almost surely, 2^13286489 is an apocalyptic number.

It is an amenable number.

13286489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13286489 is an equidigital number, since it uses as much as digits as its factorization.

13286489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 13286489 is about 3645.0636482783. The cubic root of 13286489 is about 236.8481939531.

The spelling of 13286489 in words is "thirteen million, two hundred eighty-six thousand, four hundred eighty-nine".