12113225 has 12 divisors (see below), whose sum is σ = 15066000. Its totient is φ = 9661200.

The previous prime is 12113221. The next prime is 12113251. The reversal of 12113225 is 52231121.

It is a happy number.

12113225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12113225 - 2² = 12113221 is a prime.

It is a Curzon number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11990 + ... + 12960.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^12113225 is an apocalyptic number.

It is an amenable number.

12113225 is a deficient number, since it is larger than the sum of its proper divisors (2952775).

12113225 is an equidigital number, since it uses as much as digits as its factorization.

12113225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 12113225 is about 3480.4058671368. The cubic root of 12113225 is about 229.6606526845.

Adding to 12113225 its reverse (52231121), we get a palindrome (64344346).

It can be divided in two parts, 121 and 13225, that multiplied together give a square (1600225 = 1265²).

The spelling of 12113225 in words is "twelve million, one hundred thirteen thousand, two hundred twenty-five".