12451589 has 2 divisors, whose sum is σ = 12451590. Its totient is φ = 12451588.

The previous prime is 12451561. The next prime is 12451591. The reversal of 12451589 is 98515421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 2102500 = 3217^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12451589 - 2¹⁶ = 12386053 is a prime.

Together with 12451591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12451529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225794 + 6225795.

It is an arithmetic number, because the mean of its divisors is an integer number (6225795).

Almost surely, 2^12451589 is an apocalyptic number.

It is an amenable number.

12451589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451589 is an equidigital number, since it uses as much as digits as its factorization.

12451589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 35.

The square root of 12451589 is about 3528.6809150163. The cubic root of 12451589 is about 231.7794487918.

The spelling of 12451589 in words is "twelve million, four hundred fifty-one thousand, five hundred eighty-nine".