12107312 has 30 divisors (see below), whose sum is σ = 27289548. Its totient is φ = 5188512.

The previous prime is 12107279. The next prime is 12107321. The reversal of 12107312 is 21370121.

12107312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6938 + ... + 8505.

Almost surely, 2^12107312 is an apocalyptic number.

It is an amenable number.

12107312 is an abundant number, since it is smaller than the sum of its proper divisors (15182236).

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

12107312 is a wasteful number, since it uses less digits than its factorization.

12107312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15465 (or 15452 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12107312 is about 3479.5562935524. The cubic root of 12107312 is about 229.6232774338.

Adding to 12107312 its reverse (21370121), we get a palindrome (33477433).

The spelling of 12107312 in words is "twelve million, one hundred seven thousand, three hundred twelve".