12081722 has 8 divisors (see below), whose sum is σ = 18190272. Its totient is φ = 6018300.

The previous prime is 12081703. The next prime is 12081731. The reversal of 12081722 is 22718021.

12081722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10604 + ... + 11687.

It is an arithmetic number, because the mean of its divisors is an integer number (2273784).

Almost surely, 2^12081722 is an apocalyptic number.

12081722 is a deficient number, since it is larger than the sum of its proper divisors (6108550).

12081722 is a wasteful number, since it uses less digits than its factorization.

12081722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12081722 is about 3475.8771554818. The cubic root of 12081722 is about 229.4613861619.

Adding to 12081722 its reverse (22718021), we get a palindrome (34799743).

The spelling of 12081722 in words is "twelve million, eighty-one thousand, seven hundred twenty-two".