12103303 has 4 divisors (see below), whose sum is σ = 12815280.
Its totient is φ = 11391328.
The previous prime is 12103279. The next prime is 12103331. The reversal of 12103303 is 30330121.
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 12103303 - 25 = 12103271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103363) 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, 355963 + ... + 355996.
It is an arithmetic number, because the mean of its divisors is an integer number (3203820).
Almost surely, 212103303 is an apocalyptic number.
12103303 is a deficient number, since it is larger than the sum of its proper divisors (711977).
12103303 is an equidigital number, since it uses as much as digits as its factorization.
12103303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711976.
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 12103303 is about 3478.9801666580.
The cubic root of 12103303 is about 229.5979301796.
Adding to 12103303 its reverse (30330121), we get a palindrome (42433424).
The spelling of 12103303 in words is "twelve million, one hundred three thousand, three hundred three".