12983993 has 8 divisors (see below), whose sum is σ = 14432256. Its totient is φ = 11580400.

The previous prime is 12983987. The next prime is 12984007. The reversal of 12983993 is 39938921.

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 12983993 - 2⁴ = 12983977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12983923) 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, 10553 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (1804032).

Almost surely, 2^12983993 is an apocalyptic number.

It is an amenable number.

12983993 is a deficient number, since it is larger than the sum of its proper divisors (1448263).

12983993 is a wasteful number, since it uses less digits than its factorization.

12983993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335.

The product of its digits is 104976, while the sum is 44.

The square root of 12983993 is about 3603.3308202273. The cubic root of 12983993 is about 235.0369219187.

The spelling of 12983993 in words is "twelve million, nine hundred eighty-three thousand, nine hundred ninety-three".