12107712 has 56 divisors (see below), whose sum is σ = 33731200. Its totient is φ = 3822336.

The previous prime is 12107687. The next prime is 12107737. The reversal of 12107712 is 21770121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12107687) and next prime (12107737).

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 7 ways as a sum of consecutive naturals, for example, 1989 + ... + 5307.

Almost surely, 2^12107712 is an apocalyptic number.

12107712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12107712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16865600).

12107712 is an abundant number, since it is smaller than the sum of its proper divisors (21623488).

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

12107712 is a wasteful number, since it uses less digits than its factorization.

12107712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3343 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 12107712 is about 3479.6137716706. The cubic root of 12107712 is about 229.6258061618.

Adding to 12107712 its reverse (21770121), we get a palindrome (33877833).

The spelling of 12107712 in words is "twelve million, one hundred seven thousand, seven hundred twelve".