12310003 has 4 divisors (see below), whose sum is σ = 12342528. Its totient is φ = 12277480.

The previous prime is 12309961. The next prime is 12310013. The reversal of 12310003 is 30001321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15688 + ... + 16453.

It is an arithmetic number, because the mean of its divisors is an integer number (3085632).

Almost surely, 2^12310003 is an apocalyptic number.

12310003 is a deficient number, since it is larger than the sum of its proper divisors (32525).

12310003 is an equidigital number, since it uses as much as digits as its factorization.

12310003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32524.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12310003 is about 3508.5613860954. The cubic root of 12310003 is about 230.8975827039.

Adding to 12310003 its reverse (30001321), we get a palindrome (42311324).

The spelling of 12310003 in words is "twelve million, three hundred ten thousand, three".