12113420 has 24 divisors (see below), whose sum is σ = 27751248. Its totient is φ = 4404800.

The previous prime is 12113417. The next prime is 12113443. The reversal of 12113420 is 2431121.

It is a junction number, because it is equal to n+sod(n) for n = 12113395 and 12113404.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 27311 + ... + 27750.

It is an arithmetic number, because the mean of its divisors is an integer number (1156302).

Almost surely, 2^12113420 is an apocalyptic number.

12113420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113420 is an abundant number, since it is smaller than the sum of its proper divisors (15637828).

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

12113420 is a wasteful number, since it uses less digits than its factorization.

12113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55081 (or 55079 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12113420 is about 3480.4338809982. The cubic root of 12113420 is about 229.6618850451.

Adding to 12113420 its reverse (2431121), we get a palindrome (14544541).

The spelling of 12113420 in words is "twelve million, one hundred thirteen thousand, four hundred twenty".