13550959 has 2 divisors, whose sum is σ = 13550960. Its totient is φ = 13550958.

The previous prime is 13550947. The next prime is 13550963. The reversal of 13550959 is 95905531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13550959 - 2⁹ = 13550447 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 (13550909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775479 + 6775480.

It is an arithmetic number, because the mean of its divisors is an integer number (6775480).

Almost surely, 2^13550959 is an apocalyptic number.

13550959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550959 is an equidigital number, since it uses as much as digits as its factorization.

13550959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 13550959 is about 3681.1627239230. The cubic root of 13550959 is about 238.4093829824.

The spelling of 13550959 in words is "thirteen million, five hundred fifty thousand, nine hundred fifty-nine".