12113856 has 42 divisors (see below), whose sum is σ = 34723832. Its totient is φ = 4037760.

The previous prime is 12113833. The next prime is 12113861. The reversal of 12113856 is 65831121.

12113856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9940 + ... + 11091.

Almost surely, 2^12113856 is an apocalyptic number.

12113856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12113856 is an abundant number, since it is smaller than the sum of its proper divisors (22609976).

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

12113856 is a wasteful number, since it uses less digits than its factorization.

12113856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21049 (or 21036 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12113856 is about 3480.4965163034. The cubic root of 12113856 is about 229.6646404294.

Adding to 12113856 its reverse (65831121), we get a palindrome (77944977).

The spelling of 12113856 in words is "twelve million, one hundred thirteen thousand, eight hundred fifty-six".