12997589 has 8 divisors (see below), whose sum is σ = 14320800. Its totient is φ = 11698000.

The previous prime is 12997573. The next prime is 12997591. The reversal of 12997589 is 98579921.

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 not a de Polignac number, because 12997589 - 2⁴ = 12997573 is a prime.

It is a super-3 number, since 3×12997589³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4739 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (1790100).

Almost surely, 2^12997589 is an apocalyptic number.

It is an amenable number.

12997589 is a deficient number, since it is larger than the sum of its proper divisors (1323211).

12997589 is a wasteful number, since it uses less digits than its factorization.

12997589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11811.

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

The square root of 12997589 is about 3605.2169144172. The cubic root of 12997589 is about 235.1189318017.

It can be divided in two parts, 1299 and 7589, that added together give a palindrome (8888).

The spelling of 12997589 in words is "twelve million, nine hundred ninety-seven thousand, five hundred eighty-nine".