12289983 has 16 divisors (see below), whose sum is σ = 16920576. Its totient is φ = 7930400.

The previous prime is 12289943. The next prime is 12289999. The reversal of 12289983 is 38998221.

It is a cyclic number.

It is not a de Polignac number, because 12289983 - 2⁹ = 12289471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12289943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13810 + ... + 14672.

It is an arithmetic number, because the mean of its divisors is an integer number (1057536).

Almost surely, 2^12289983 is an apocalyptic number.

12289983 is a deficient number, since it is larger than the sum of its proper divisors (4630593).

12289983 is a wasteful number, since it uses less digits than its factorization.

12289983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its digits is 62208, while the sum is 42.

The square root of 12289983 is about 3505.7072039747. The cubic root of 12289983 is about 230.7723436931.

It can be divided in two parts, 1228 and 9983, that added together give a palindrome (11211).

The spelling of 12289983 in words is "twelve million, two hundred eighty-nine thousand, nine hundred eighty-three".