12989317 has 4 divisors (see below), whose sum is σ = 14170176. Its totient is φ = 11808460.

The previous prime is 12989299. The next prime is 12989321. The reversal of 12989317 is 71398921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12989317 - 2⁷ = 12989189 is a prime.

It is a super-2 number, since 2×12989317² = 337444712252978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12989317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12989387) 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 3 ways as a sum of consecutive naturals, for example, 590413 + ... + 590434.

It is an arithmetic number, because the mean of its divisors is an integer number (3542544).

Almost surely, 2^12989317 is an apocalyptic number.

It is an amenable number.

12989317 is a deficient number, since it is larger than the sum of its proper divisors (1180859).

12989317 is a wasteful number, since it uses less digits than its factorization.

12989317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180858.

The product of its digits is 27216, while the sum is 40.

The square root of 12989317 is about 3604.0695054341. The cubic root of 12989317 is about 235.0690426378.

The spelling of 12989317 in words is "twelve million, nine hundred eighty-nine thousand, three hundred seventeen".