12190589 has 4 divisors (see below), whose sum is σ = 12197724. Its totient is φ = 12183456.

The previous prime is 12190573. The next prime is 12190601. The reversal of 12190589 is 98509121.

12190589 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2839225 + 9351364 = 1685^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190589 - 2⁴ = 12190573 is a prime.

It is a super-2 number, since 2×12190589² = 297220920333842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190559) 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 3 ways as a sum of consecutive naturals, for example, 689 + ... + 4985.

It is an arithmetic number, because the mean of its divisors is an integer number (3049431).

Almost surely, 2^12190589 is an apocalyptic number.

It is an amenable number.

12190589 is a deficient number, since it is larger than the sum of its proper divisors (7135).

12190589 is an equidigital number, since it uses as much as digits as its factorization.

12190589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 12190589 is about 3491.5023986817. The cubic root of 12190589 is about 230.1485429859.

The spelling of 12190589 in words is "twelve million, one hundred ninety thousand, five hundred eighty-nine".