12113864 has 16 divisors (see below), whose sum is σ = 25958400. Its totient is φ = 5191632.

The previous prime is 12113863. The next prime is 12113867. The reversal of 12113864 is 46831121.

It is a super-3 number, since 3×12113864³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12113861) by changing a digit.

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, 108104 + ... + 108215.

It is an arithmetic number, because the mean of its divisors is an integer number (1622400).

Almost surely, 2^12113864 is an apocalyptic number.

12113864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12113864 is an abundant number, since it is smaller than the sum of its proper divisors (13844536).

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

12113864 is a wasteful number, since it uses less digits than its factorization.

12113864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216332 (or 216328 counting only the distinct ones).

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

The square root of 12113864 is about 3480.4976655645. The cubic root of 12113864 is about 229.6646909863.

Adding to 12113864 its reverse (46831121), we get a palindrome (58944985).

The spelling of 12113864 in words is "twelve million, one hundred thirteen thousand, eight hundred sixty-four".