8471212 has 24 divisors (see below), whose sum is σ = 15287216. Its totient is φ = 4105728.

The previous prime is 8471209. The next prime is 8471213. The reversal of 8471212 is 2121748.

8471212 = 304² + 305² + ... + 376².

It is a happy number.

It is a super-2 number, since 2×8471212² = 143522865497888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8471213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19348 + ... + 19780.

Almost surely, 2^8471212 is an apocalyptic number.

It is an amenable number.

8471212 is a deficient number, since it is larger than the sum of its proper divisors (6816004).

8471212 is a wasteful number, since it uses less digits than its factorization.

8471212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 8471212 is about 2910.5346587869. The cubic root of 8471212 is about 203.8520970746.

The spelling of 8471212 in words is "eight million, four hundred seventy-one thousand, two hundred twelve".