12113503 has 8 divisors (see below), whose sum is σ = 13268880. Its totient is φ = 11007360.

The previous prime is 12113489. The next prime is 12113527. The reversal of 12113503 is 30531121.

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

It is a cyclic number.

It is not a de Polignac number, because 12113503 - 2⁵ = 12113471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11793 + ... + 12778.

It is an arithmetic number, because the mean of its divisors is an integer number (1658610).

Almost surely, 2^12113503 is an apocalyptic number.

12113503 is a deficient number, since it is larger than the sum of its proper divisors (1155377).

12113503 is a wasteful number, since it uses less digits than its factorization.

12113503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24617.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 12113503 is about 3480.4458047785. The cubic root of 12113503 is about 229.6624095844.

Adding to 12113503 its reverse (30531121), we get a palindrome (42644624).

The spelling of 12113503 in words is "twelve million, one hundred thirteen thousand, five hundred three".