11589973 has 4 divisors (see below), whose sum is σ = 11654188. Its totient is φ = 11525760.

The previous prime is 11589947. The next prime is 11589989. The reversal of 11589973 is 37998511.

11589973 is digitally balanced in base 2, 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 5349969 + 6240004 = 2313^2 + 2498^2 .

It is a cyclic number.

It is not a de Polignac number, because 11589973 - 2¹³ = 11581781 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 (11589913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31836 + ... + 32197.

It is an arithmetic number, because the mean of its divisors is an integer number (2913547).

Almost surely, 2^11589973 is an apocalyptic number.

It is an amenable number.

11589973 is a deficient number, since it is larger than the sum of its proper divisors (64215).

11589973 is an equidigital number, since it uses as much as digits as its factorization.

11589973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64214.

The product of its digits is 68040, while the sum is 43.

The square root of 11589973 is about 3404.4049406614. The cubic root of 11589973 is about 226.3049958389.

The spelling of 11589973 in words is "eleven million, five hundred eighty-nine thousand, nine hundred seventy-three".