12589963 has 4 divisors (see below), whose sum is σ = 12665520. Its totient is φ = 12514408.

The previous prime is 12589949. The next prime is 12590003. The reversal of 12589963 is 36998521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12589963 - 2¹⁷ = 12458891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12589063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37528 + ... + 37861.

It is an arithmetic number, because the mean of its divisors is an integer number (3166380).

Almost surely, 2^12589963 is an apocalyptic number.

12589963 is a deficient number, since it is larger than the sum of its proper divisors (75557).

12589963 is an equidigital number, since it uses as much as digits as its factorization.

12589963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75556.

The product of its digits is 116640, while the sum is 43.

The square root of 12589963 is about 3548.2337859842. The cubic root of 12589963 is about 232.6348729920.

The spelling of 12589963 in words is "twelve million, five hundred eighty-nine thousand, nine hundred sixty-three".