12589443 has 12 divisors (see below), whose sum is σ = 18347160. Its totient is φ = 8318016.

The previous prime is 12589439. The next prime is 12589463. The reversal of 12589443 is 34498521.

12589443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12589443 - 2² = 12589439 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 12589398 and 12589407.

It is not an unprimeable number, because it can be changed into a prime (12589403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5173 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (1528930).

Almost surely, 2^12589443 is an apocalyptic number.

12589443 is a deficient number, since it is larger than the sum of its proper divisors (5757717).

12589443 is a wasteful number, since it uses less digits than its factorization.

12589443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498 (or 12495 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12589443 is about 3548.1605093344. The cubic root of 12589443 is about 232.6316701285.

It can be divided in two parts, 1258 and 9443, that added together give a palindrome (10701).

The spelling of 12589443 in words is "twelve million, five hundred eighty-nine thousand, four hundred forty-three".