12389112 has 48 divisors (see below), whose sum is σ = 34802040. Its totient is φ = 4129056.

The previous prime is 12389101. The next prime is 12389137. The reversal of 12389112 is 21198321.

It is a super-2 number, since 2×12389112² = 306980192297088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 1243 + ... + 5130.

Almost surely, 2^12389112 is an apocalyptic number.

12389112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12389112 is an abundant number, since it is smaller than the sum of its proper divisors (22412928).

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

12389112 is an equidigital number, since it uses as much as digits as its factorization.

12389112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394 (or 6378 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 12389112 is about 3519.8170406997. The cubic root of 12389112 is about 231.3911403307.

The spelling of 12389112 in words is "twelve million, three hundred eighty-nine thousand, one hundred twelve".