12243589 has 2 divisors, whose sum is σ = 12243590. Its totient is φ = 12243588.

The previous prime is 12243577. The next prime is 12243601. The reversal of 12243589 is 98534221.

12243589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12243577) and next prime (12243601).

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 3392964 = 2975^2 + 1842^2 .

It is an emirp because it is prime and its reverse (98534221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12243589 - 2⁵ = 12243557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12243289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121794 + 6121795.

It is an arithmetic number, because the mean of its divisors is an integer number (6121795).

Almost surely, 2^12243589 is an apocalyptic number.

It is an amenable number.

12243589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243589 is an equidigital number, since it uses as much as digits as its factorization.

12243589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 12243589 is about 3499.0840229980. The cubic root of 12243589 is about 230.4815932902.

It can be divided in two parts, 12243 and 589, that multiplied together give a palindrome (7211127).

The spelling of 12243589 in words is "twelve million, two hundred forty-three thousand, five hundred eighty-nine".