12447589 has 16 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 9621360.

The previous prime is 12447581. The next prime is 12447601. The reversal of 12447589 is 98574421.

It is not a de Polignac number, because 12447589 - 2³ = 12447581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12447581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10122 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (977760).

Almost surely, 2^12447589 is an apocalyptic number.

It is an amenable number.

12447589 is a deficient number, since it is larger than the sum of its proper divisors (3196571).

12447589 is a wasteful number, since it uses less digits than its factorization.

12447589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its digits is 80640, while the sum is 40.

The square root of 12447589 is about 3528.1140854570. The cubic root of 12447589 is about 231.7546268704.

The spelling of 12447589 in words is "twelve million, four hundred forty-seven thousand, five hundred eighty-nine".