9813312 has 84 divisors (see below), whose sum is σ = 29216096. Its totient is φ = 3265920.

The previous prime is 9813311. The next prime is 9813313. The reversal of 9813312 is 2133189.

It is an interprime number because it is at equal distance from previous prime (9813311) and next prime (9813313).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9813311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15237 + ... + 15867.

Almost surely, 2^9813312 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 9813312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14608048).

9813312 is an abundant number, since it is smaller than the sum of its proper divisors (19402784).

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

9813312 is an equidigital number, since it uses as much as digits as its factorization.

9813312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 636 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 9813312 is about 3132.6206281642. The cubic root of 9813312 is about 214.0943480098.

The spelling of 9813312 in words is "nine million, eight hundred thirteen thousand, three hundred twelve".