12989383 has 4 divisors (see below), whose sum is σ = 14170248. Its totient is φ = 11808520.

The previous prime is 12989351. The next prime is 12989387. The reversal of 12989383 is 38398921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38398921 = 11 ⋅3490811.

It is a cyclic number.

It is not a de Polignac number, because 12989383 - 2⁵ = 12989351 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590416 + ... + 590437.

It is an arithmetic number, because the mean of its divisors is an integer number (3542562).

Almost surely, 2^12989383 is an apocalyptic number.

12989383 is a deficient number, since it is larger than the sum of its proper divisors (1180865).

12989383 is a wasteful number, since it uses less digits than its factorization.

12989383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180864.

The product of its digits is 93312, while the sum is 43.

The square root of 12989383 is about 3604.0786617387. The cubic root of 12989383 is about 235.0694407734.

The spelling of 12989383 in words is "twelve million, nine hundred eighty-nine thousand, three hundred eighty-three".