12113648 has 20 divisors (see below), whose sum is σ = 24280440. Its totient is φ = 5847744.

The previous prime is 12113599. The next prime is 12113657. The reversal of 12113648 is 84631121.

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 3 ways as a sum of consecutive naturals, for example, 12590 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (1214022).

Almost surely, 2^12113648 is an apocalyptic number.

It is an amenable number.

12113648 is an abundant number, since it is smaller than the sum of its proper divisors (12166792).

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

12113648 is a wasteful number, since it uses less digits than its factorization.

12113648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26144 (or 26138 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 12113648 is about 3480.4666353810. The cubic root of 12113648 is about 229.6633259424.

Adding to 12113648 its reverse (84631121), we get a palindrome (96744769).

The spelling of 12113648 in words is "twelve million, one hundred thirteen thousand, six hundred forty-eight".