11439959 has 2 divisors, whose sum is σ = 11439960. Its totient is φ = 11439958.

The previous prime is 11439937. The next prime is 11439977. The reversal of 11439959 is 95993411.

11439959 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11439959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11439979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5719979 + 5719980.

It is an arithmetic number, because the mean of its divisors is an integer number (5719980).

Almost surely, 2^11439959 is an apocalyptic number.

11439959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11439959 is an equidigital number, since it uses as much as digits as its factorization.

11439959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 11439959 is about 3382.3008441001. The cubic root of 11439959 is about 225.3243650851.

The spelling of 11439959 in words is "eleven million, four hundred thirty-nine thousand, nine hundred fifty-nine".