12108603 has 16 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 7126944.

The previous prime is 12108599. The next prime is 12108611. The reversal of 12108603 is 30680121.

It is not a de Polignac number, because 12108603 - 2² = 12108599 is a prime.

It is a super-2 number, since 2×12108603² = 293236533223218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12108603.

It is not an unprimeable number, because it can be changed into a prime (12108673) 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 15 ways as a sum of consecutive naturals, for example, 5853 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^12108603 is an apocalyptic number.

12108603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12108603 is a deficient number, since it is larger than the sum of its proper divisors (6035397).

12108603 is a wasteful number, since it uses less digits than its factorization.

12108603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13538.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12108603 is about 3479.7418007663. The cubic root of 12108603 is about 229.6314387035.

Adding to 12108603 its reverse (30680121), we get a palindrome (42788724).

The spelling of 12108603 in words is "twelve million, one hundred eight thousand, six hundred three".