9813012 has 48 divisors (see below), whose sum is σ = 26453952. Its totient is φ = 2798080.

The previous prime is 9812993. The next prime is 9813043. The reversal of 9813012 is 2103189.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (551124).

Almost surely, 2^9813012 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 9813012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13226976).

9813012 is an abundant number, since it is smaller than the sum of its proper divisors (16640940).

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

9813012 is a wasteful number, since it uses less digits than its factorization.

9813012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4406 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 9813012 is about 3132.5727445664. The cubic root of 9813012 is about 214.0921663149.

It can be divided in two parts, 981 and 3012, that added together give a palindrome (3993).

The spelling of 9813012 in words is "nine million, eight hundred thirteen thousand, twelve".