8447212 has 6 divisors (see below), whose sum is σ = 14782628. Its totient is φ = 4223604.

The previous prime is 8447209. The next prime is 8447213. The reversal of 8447212 is 2127448.

It is not an unprimeable number, because it can be changed into a prime (8447213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055898 + ... + 1055905.

Almost surely, 2^8447212 is an apocalyptic number.

It is an amenable number.

8447212 is a deficient number, since it is larger than the sum of its proper divisors (6335416).

8447212 is a wasteful number, since it uses less digits than its factorization.

8447212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111807 (or 2111805 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 8447212 is about 2906.4087806088. The cubic root of 8447212 is about 203.6594021795.

The spelling of 8447212 in words is "eight million, four hundred forty-seven thousand, two hundred twelve".