13009489 has 2 divisors, whose sum is σ = 13009490. Its totient is φ = 13009488.

The previous prime is 13009463. The next prime is 13009501. The reversal of 13009489 is 98490031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 5253264 = 2785^2 + 2292^2 .

It is a cyclic number.

It is not a de Polignac number, because 13009489 - 2¹¹ = 13007441 is a prime.

It is a super-2 number, since 2×13009489² = 338493608082242, which contains 22 as substring.

It is equal to p₈₄₉₈₄₁ and since 13009489 and 849841 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13009439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6504744 + 6504745.

It is an arithmetic number, because the mean of its divisors is an integer number (6504745).

Almost surely, 2^13009489 is an apocalyptic number.

It is an amenable number.

13009489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13009489 is an equidigital number, since it uses as much as digits as its factorization.

13009489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13009489 is about 3606.8669229679. The cubic root of 13009489 is about 235.1906646398.

The spelling of 13009489 in words is "thirteen million, nine thousand, four hundred eighty-nine".