12081412 has 12 divisors (see below), whose sum is σ = 24162880. Its totient is φ = 5177736.

The previous prime is 12081401. The next prime is 12081439. The reversal of 12081412 is 21418021.

It is a happy number.

12081412 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12081412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215712 + ... + 215767.

Almost surely, 2^12081412 is an apocalyptic number.

It is an amenable number.

12081412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12081412 is a wasteful number, since it uses less digits than its factorization.

12081412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431490 (or 431488 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12081412 is about 3475.8325621353. The cubic root of 12081412 is about 229.4594235929.

Adding to 12081412 its reverse (21418021), we get a palindrome (33499433).

The spelling of 12081412 in words is "twelve million, eighty-one thousand, four hundred twelve".