12113020 has 24 divisors (see below), whose sum is σ = 25747344. Its totient is φ = 4786176.

The previous prime is 12112979. The next prime is 12113047. The reversal of 12113020 is 2031121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12112988 and 12113006.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1989 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (1072806).

Almost surely, 2^12113020 is an apocalyptic number.

12113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113020 is an abundant number, since it is smaller than the sum of its proper divisors (13634324).

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

12113020 is a wasteful number, since it uses less digits than its factorization.

12113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389 (or 7387 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12113020 is about 3480.3764164239. The cubic root of 12113020 is about 229.6593571115.

Adding to 12113020 its reverse (2031121), we get a palindrome (14144141).

The spelling of 12113020 in words is "twelve million, one hundred thirteen thousand, twenty".