11473589 has 18 divisors (see below), whose sum is σ = 12958470. Its totient is φ = 10144512.

The previous prime is 11473571. The next prime is 11473591. The reversal of 11473589 is 98537411.

It can be written as a sum of positive squares in 9 ways, for example, as 1500625 + 9972964 = 1225^2 + 3158^2 .

It is not a de Polignac number, because 11473589 - 2⁸ = 11473333 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 (11473489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 310079 + ... + 310115.

It is an arithmetic number, because the mean of its divisors is an integer number (719915).

Almost surely, 2^11473589 is an apocalyptic number.

It is an amenable number.

11473589 is a deficient number, since it is larger than the sum of its proper divisors (1484881).

11473589 is an equidigital number, since it uses as much as digits as its factorization.

11473589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 83 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 11473589 is about 3387.2686636876. The cubic root of 11473589 is about 225.5449441146.

The spelling of 11473589 in words is "eleven million, four hundred seventy-three thousand, five hundred eighty-nine".