7867212 has 12 divisors (see below), whose sum is σ = 18356856. Its totient is φ = 2622400.

The previous prime is 7867183. The next prime is 7867213. The reversal of 7867212 is 2127687.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (7867213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327789 + ... + 327812.

It is an arithmetic number, because the mean of its divisors is an integer number (1529738).

Almost surely, 2^7867212 is an apocalyptic number.

It is an amenable number.

7867212 is an abundant number, since it is smaller than the sum of its proper divisors (10489644).

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

7867212 is a wasteful number, since it uses less digits than its factorization.

7867212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655608 (or 655606 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 7867212 is about 2804.8550764701. The cubic root of 7867212 is about 198.8872537945.

The spelling of 7867212 in words is "seven million, eight hundred sixty-seven thousand, two hundred twelve".