12189603 has 8 divisors (see below), whose sum is σ = 16777216. Its totient is φ = 7864200.

The previous prime is 12189581. The next prime is 12189607. The reversal of 12189603 is 30698121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12189603 - 2⁵ = 12189571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12189607) 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 7 ways as a sum of consecutive naturals, for example, 65443 + ... + 65628.

It is an arithmetic number, because the mean of its divisors is an integer number (2097152).

Almost surely, 2^12189603 is an apocalyptic number.

12189603 is a deficient number, since it is larger than the sum of its proper divisors (4587613).

12189603 is a wasteful number, since it uses less digits than its factorization.

12189603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131105.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12189603 is about 3491.3611958662. The cubic root of 12189603 is about 230.1423378555.

The spelling of 12189603 in words is "twelve million, one hundred eighty-nine thousand, six hundred three".