12303999 has 12 divisors (see below), whose sum is σ = 17808336. Its totient is φ = 8186112.

The previous prime is 12303997. The next prime is 12304021. The reversal of 12303999 is 99930321.

It is not a de Polignac number, because 12303999 - 2¹ = 12303997 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303997) 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 11 ways as a sum of consecutive naturals, for example, 4767 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (1484028).

Almost surely, 2^12303999 is an apocalyptic number.

12303999 is a deficient number, since it is larger than the sum of its proper divisors (5504337).

12303999 is a wasteful number, since it uses less digits than its factorization.

12303999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 12303999 is about 3507.7056603997. The cubic root of 12303999 is about 230.8600377758.

The spelling of 12303999 in words is "twelve million, three hundred three thousand, nine hundred ninety-nine".