12371112 has 48 divisors (see below), whose sum is σ = 36085140. Its totient is φ = 3806208.

The previous prime is 12371039. The next prime is 12371113. The reversal of 12371112 is 21117321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11655396 + 715716 = 3414^2 + 846^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12371113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5673 + ... + 7544.

Almost surely, 2^12371112 is an apocalyptic number.

12371112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12371112 is an abundant number, since it is smaller than the sum of its proper divisors (23714028).

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

12371112 is a wasteful number, since it uses less digits than its factorization.

12371112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242 (or 13235 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 12371112 is about 3517.2591601985. The cubic root of 12371112 is about 231.2790241632.

Adding to 12371112 its reverse (21117321), we get a palindrome (33488433).

The spelling of 12371112 in words is "twelve million, three hundred seventy-one thousand, one hundred twelve".