11910589 has 4 divisors (see below), whose sum is σ = 11948956. Its totient is φ = 11872224.

The previous prime is 11910551. The next prime is 11910601. The reversal of 11910589 is 98501911.

11910589 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 10176100 = 1317^2 + 3190^2 .

It is a cyclic number.

It is not a de Polignac number, because 11910589 - 2⁹ = 11910077 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 (11910529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18714 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (2987239).

Almost surely, 2^11910589 is an apocalyptic number.

It is an amenable number.

11910589 is a deficient number, since it is larger than the sum of its proper divisors (38367).

11910589 is an equidigital number, since it uses as much as digits as its factorization.

11910589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38366.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 11910589 is about 3451.1721197298. The cubic root of 11910589 is about 228.3728190485.

The spelling of 11910589 in words is "eleven million, nine hundred ten thousand, five hundred eighty-nine".