8427312 has 60 divisors (see below), whose sum is σ = 24150984. Its totient is φ = 2741760.

The previous prime is 8427311. The next prime is 8427323. The reversal of 8427312 is 2137248.

It is not an unprimeable number, because it can be changed into a prime (8427311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5512 + ... + 6872.

Almost surely, 2^8427312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8427312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12075492).

8427312 is an abundant number, since it is smaller than the sum of its proper divisors (15723672).

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

8427312 is a wasteful number, since it uses less digits than its factorization.

8427312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1409 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 8427312 is about 2902.9832930969. The cubic root of 8427312 is about 203.4993490231.

Subtracting from 8427312 its reverse (2137248), we obtain a square (6290064 = 2508²).

The spelling of 8427312 in words is "eight million, four hundred twenty-seven thousand, three hundred twelve".