12989583 has 12 divisors (see below), whose sum is σ = 18989880. Its totient is φ = 8554896.

The previous prime is 12989563. The next prime is 12989591. The reversal of 12989583 is 38598921.

It is a happy number.

12989583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12989583 - 2⁶ = 12989519 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12989563) 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, 7948 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (1582490).

Almost surely, 2^12989583 is an apocalyptic number.

12989583 is a deficient number, since it is larger than the sum of its proper divisors (6000297).

12989583 is a wasteful number, since it uses less digits than its factorization.

12989583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17478 (or 17475 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12989583 is about 3604.1064079741. The cubic root of 12989583 is about 235.0706472369.

The spelling of 12989583 in words is "twelve million, nine hundred eighty-nine thousand, five hundred eighty-three".