11612589 has 4 divisors (see below), whose sum is σ = 15483456. Its totient is φ = 7741724.

The previous prime is 11612567. The next prime is 11612593. The reversal of 11612589 is 98521611.

11612589 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11612589 - 2⁹ = 11612077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612519) 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, 1935429 + ... + 1935434.

It is an arithmetic number, because the mean of its divisors is an integer number (3870864).

Almost surely, 2^11612589 is an apocalyptic number.

It is an amenable number.

11612589 is a deficient number, since it is larger than the sum of its proper divisors (3870867).

11612589 is an equidigital number, since it uses as much as digits as its factorization.

11612589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870866.

The product of its digits is 4320, while the sum is 33.

The square root of 11612589 is about 3407.7249008686. The cubic root of 11612589 is about 226.4520996710.

The spelling of 11612589 in words is "eleven million, six hundred twelve thousand, five hundred eighty-nine".