12383999 has 4 divisors (see below), whose sum is σ = 12504336. Its totient is φ = 12263664.

The previous prime is 12383993. The next prime is 12384017. The reversal of 12383999 is 99938321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12383999 - 2⁸ = 12383743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12383993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60014 + ... + 60219.

It is an arithmetic number, because the mean of its divisors is an integer number (3126084).

Almost surely, 2^12383999 is an apocalyptic number.

12383999 is a deficient number, since it is larger than the sum of its proper divisors (120337).

12383999 is a wasteful number, since it uses less digits than its factorization.

12383999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120336.

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

The square root of 12383999 is about 3519.0906495855. The cubic root of 12383999 is about 231.3593041589.

The spelling of 12383999 in words is "twelve million, three hundred eighty-three thousand, nine hundred ninety-nine".