12947222 has 8 divisors (see below), whose sum is σ = 19437096. Its totient is φ = 6468192.

The previous prime is 12947213. The next prime is 12947237. The reversal of 12947222 is 22274921.

12947222 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 a congruent number.

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, 1733 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (2429637).

Almost surely, 2^12947222 is an apocalyptic number.

12947222 is a deficient number, since it is larger than the sum of its proper divisors (6489874).

12947222 is a wasteful number, since it uses less digits than its factorization.

12947222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422.

The product of its digits is 4032, while the sum is 29.

The square root of 12947222 is about 3598.2248401121. The cubic root of 12947222 is about 234.8148352783.

The spelling of 12947222 in words is "twelve million, nine hundred forty-seven thousand, two hundred twenty-two".