13809359 has 2 divisors, whose sum is σ = 13809360. Its totient is φ = 13809358.

The previous prime is 13809331. The next prime is 13809373. The reversal of 13809359 is 95390831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13809359 - 2¹⁶ = 13743823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13800359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6904679 + 6904680.

It is an arithmetic number, because the mean of its divisors is an integer number (6904680).

Almost surely, 2^13809359 is an apocalyptic number.

13809359 is a deficient number, since it is larger than the sum of its proper divisors (1).

13809359 is an equidigital number, since it uses as much as digits as its factorization.

13809359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 13809359 is about 3716.0945897541. The cubic root of 13809359 is about 239.9152420613.

The spelling of 13809359 in words is "thirteen million, eight hundred nine thousand, three hundred fifty-nine".