12326603 has 4 divisors (see below), whose sum is σ = 12334440. Its totient is φ = 12318768.

The previous prime is 12326599. The next prime is 12326641. The reversal of 12326603 is 30662321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12326603 - 2² = 12326599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12326203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (3083610).

Almost surely, 2^12326603 is an apocalyptic number.

12326603 is a deficient number, since it is larger than the sum of its proper divisors (7837).

12326603 is an equidigital number, since it uses as much as digits as its factorization.

12326603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 12326603 is about 3510.9262310678. The cubic root of 12326603 is about 231.0013243054.

Adding to 12326603 its reverse (30662321), we get a palindrome (42988924).

The spelling of 12326603 in words is "twelve million, three hundred twenty-six thousand, six hundred three".