12113224 has 8 divisors (see below), whose sum is σ = 22712310. Its totient is φ = 6056608.

The previous prime is 12113221. The next prime is 12113251. The reversal of 12113224 is 42231121.

It can be written as a sum of positive squares in only one way, i.e., 10125124 + 1988100 = 3182^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12113198 and 12113207.

It is not an unprimeable number, because it can be changed into a prime (12113221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757069 + ... + 757084.

Almost surely, 2^12113224 is an apocalyptic number.

It is an amenable number.

12113224 is a deficient number, since it is larger than the sum of its proper divisors (10599086).

12113224 is a wasteful number, since it uses less digits than its factorization.

12113224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514159 (or 1514155 counting only the distinct ones).

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

The square root of 12113224 is about 3480.4057234754. The cubic root of 12113224 is about 229.6606463646.

Adding to 12113224 its reverse (42231121), we get a palindrome (54344345).

The spelling of 12113224 in words is "twelve million, one hundred thirteen thousand, two hundred twenty-four".