13598089 has 2 divisors, whose sum is σ = 13598090. Its totient is φ = 13598088.

The previous prime is 13598047. The next prime is 13598099. The reversal of 13598089 is 98089531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 3485689 = 3180^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 13598089 - 2²³ = 5209481 is a prime.

It is not a weakly prime, because it can be changed into another prime (13598009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6799044 + 6799045.

It is an arithmetic number, because the mean of its divisors is an integer number (6799045).

Almost surely, 2^13598089 is an apocalyptic number.

It is an amenable number.

13598089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13598089 is an equidigital number, since it uses as much as digits as its factorization.

13598089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 13598089 is about 3687.5586774992. The cubic root of 13598089 is about 238.6854577325.

Subtracting from 13598089 its product of nonzero digits (77760), we obtain a square (13520329 = 3677²).

The spelling of 13598089 in words is "thirteen million, five hundred ninety-eight thousand, eighty-nine".