12113320 has 16 divisors (see below), whose sum is σ = 27255060. Its totient is φ = 4845312.

The previous prime is 12113303. The next prime is 12113323. The reversal of 12113320 is 2331121.

12113320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 1602756 = 3242^2 + 1266^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12113320.

It is not an unprimeable number, because it can be changed into a prime (12113323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151377 + ... + 151456.

Almost surely, 2^12113320 is an apocalyptic number.

12113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113320 is an abundant number, since it is smaller than the sum of its proper divisors (15141740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113320 is a wasteful number, since it uses less digits than its factorization.

12113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302844 (or 302840 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12113320 is about 3480.4195149436. The cubic root of 12113320 is about 229.6612530670.

Adding to 12113320 its reverse (2331121), we get a palindrome (14444441).

The spelling of 12113320 in words is "twelve million, one hundred thirteen thousand, three hundred twenty".