12983999 has 8 divisors (see below), whose sum is σ = 15042720. Its totient is φ = 10976256.

The previous prime is 12983987. The next prime is 12984007. The reversal of 12983999 is 99938921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12983999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12983959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12194 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (1880340).

Almost surely, 2^12983999 is an apocalyptic number.

12983999 is a deficient number, since it is larger than the sum of its proper divisors (2058721).

12983999 is an equidigital number, since it uses as much as digits as its factorization.

12983999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25489.

The product of its digits is 314928, while the sum is 50.

The square root of 12983999 is about 3603.3316527902. The cubic root of 12983999 is about 235.0369581228.

The spelling of 12983999 in words is "twelve million, nine hundred eighty-three thousand, nine hundred ninety-nine".