12113888 has 12 divisors (see below), whose sum is σ = 23849280. Its totient is φ = 6056928.

The previous prime is 12113873. The next prime is 12113891. The reversal of 12113888 is 88831121.

It is a happy number.

It is a super-3 number, since 3×12113888³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 378559 = 12113888 / (1 + 2 + 1 + 1 + 3 + 8 + 8 + 8).

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 as a sum of consecutive naturals, namely, 189248 + ... + 189311.

It is an arithmetic number, because the mean of its divisors is an integer number (1987440).

Almost surely, 2^12113888 is an apocalyptic number.

It is an amenable number.

12113888 is a deficient number, since it is larger than the sum of its proper divisors (11735392).

12113888 is an equidigital number, since it uses as much as digits as its factorization.

12113888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378569 (or 378561 counting only the distinct ones).

The product of its digits is 3072, while the sum is 32.

The square root of 12113888 is about 3480.5011133456. The cubic root of 12113888 is about 229.6648426568.

The spelling of 12113888 in words is "twelve million, one hundred thirteen thousand, eight hundred eighty-eight".