12321803 has 8 divisors (see below), whose sum is σ = 13330800. Its totient is φ = 11321568.

The previous prime is 12321797. The next prime is 12321847. The reversal of 12321803 is 30812321.

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-12321803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321863) 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, 908 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (1666350).

Almost surely, 2^12321803 is an apocalyptic number.

12321803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12321803 is a deficient number, since it is larger than the sum of its proper divisors (1008997).

12321803 is a wasteful number, since it uses less digits than its factorization.

12321803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12321803 is about 3510.2425842098. The cubic root of 12321803 is about 230.9713363109.

The spelling of 12321803 in words is "twelve million, three hundred twenty-one thousand, eight hundred three".