12173103 has 12 divisors (see below), whose sum is σ = 17624880. Its totient is φ = 8096256.

The previous prime is 12173087. The next prime is 12173113. The reversal of 12173103 is 30137121.

It is not a de Polignac number, because 12173103 - 2⁴ = 12173087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173113) 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 11 ways as a sum of consecutive naturals, for example, 3183 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (1468740).

Almost surely, 2^12173103 is an apocalyptic number.

12173103 is a deficient number, since it is larger than the sum of its proper divisors (5451777).

12173103 is a wasteful number, since it uses less digits than its factorization.

12173103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12173103 is about 3488.9974204634. The cubic root of 12173103 is about 230.0384497786.

Adding to 12173103 its sum of digits (18), we get a square (12173121 = 3489²).

The spelling of 12173103 in words is "twelve million, one hundred seventy-three thousand, one hundred three".