12113242 has 12 divisors (see below), whose sum is σ = 18837630. Its totient is φ = 5834976.

The previous prime is 12113221. The next prime is 12113251. The reversal of 12113242 is 24231121.

It can be written as a sum of positive squares in 3 ways, for example, as 12103441 + 9801 = 3479^2 + 99^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 26278 + ... + 26734.

Almost surely, 2^12113242 is an apocalyptic number.

12113242 is a deficient number, since it is larger than the sum of its proper divisors (6724388).

12113242 is an frugal number, since it uses more digits than its factorization.

12113242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 488 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 12113242 is about 3480.4083093798. The cubic root of 12113242 is about 229.6607601216.

Adding to 12113242 its reverse (24231121), we get a palindrome (36344363).

The spelling of 12113242 in words is "twelve million, one hundred thirteen thousand, two hundred forty-two".