13609359 has 12 divisors (see below), whose sum is σ = 19780696. Its totient is φ = 9016272.

The previous prime is 13609357. The next prime is 13609361. The reversal of 13609359 is 95390631.

13609359 is a `hidden beast` number, since 13 + 609 + 35 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (13609357) and next prime (13609361).

It is not a de Polignac number, because 13609359 - 2¹ = 13609357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13609357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3172 + ... + 6105.

Almost surely, 2^13609359 is an apocalyptic number.

13609359 is a deficient number, since it is larger than the sum of its proper divisors (6171337).

13609359 is a wasteful number, since it uses less digits than its factorization.

13609359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446 (or 9443 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 13609359 is about 3689.0864722855. The cubic root of 13609359 is about 238.7513797970.

The spelling of 13609359 in words is "thirteen million, six hundred nine thousand, three hundred fifty-nine".