9214812 has 72 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 2835360.

The previous prime is 9214787. The next prime is 9214819. The reversal of 9214812 is 2184129.

9214812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9214819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25489 + ... + 25847.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

Almost surely, 2^9214812 is an apocalyptic number.

9214812 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9214812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12579840).

9214812 is an abundant number, since it is smaller than the sum of its proper divisors (15944868).

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

9214812 is a wasteful number, since it uses less digits than its factorization.

9214812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 418 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 9214812 is about 3035.5908815254. The cubic root of 9214812 is about 209.6503023510.

The spelling of 9214812 in words is "nine million, two hundred fourteen thousand, eight hundred twelve".