12589979 has 8 divisors (see below), whose sum is σ = 13364208. Its totient is φ = 11819520.

The previous prime is 12589949. The next prime is 12590003. The reversal of 12589979 is 97998521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12589979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12589919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9059 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (1670526).

Almost surely, 2^12589979 is an apocalyptic number.

12589979 is a deficient number, since it is larger than the sum of its proper divisors (774229).

12589979 is a wasteful number, since it uses less digits than its factorization.

12589979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its digits is 408240, while the sum is 50.

The square root of 12589979 is about 3548.2360406264. The cubic root of 12589979 is about 232.6349715402.

The spelling of 12589979 in words is "twelve million, five hundred eighty-nine thousand, nine hundred seventy-nine".