13360509 has 6 divisors (see below), whose sum is σ = 19298526. Its totient is φ = 8907000.

The previous prime is 13360471. The next prime is 13360511. The reversal of 13360509 is 90506331.

It can be written as a sum of positive squares in only one way, i.e., 9272025 + 4088484 = 3045^2 + 2022^2 .

It is not a de Polignac number, because 13360509 - 2⁸ = 13360253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13360579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742242 + ... + 742259.

It is an arithmetic number, because the mean of its divisors is an integer number (3216421).

Almost surely, 2^13360509 is an apocalyptic number.

It is an amenable number.

13360509 is a deficient number, since it is larger than the sum of its proper divisors (5938017).

13360509 is a wasteful number, since it uses less digits than its factorization.

13360509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484507 (or 1484504 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13360509 is about 3655.2030039384. The cubic root of 13360509 is about 237.2872125501.

The spelling of 13360509 in words is "thirteen million, three hundred sixty thousand, five hundred nine".