9945012 has 96 divisors (see below), whose sum is σ = 29675520. Its totient is φ = 2517120.

The previous prime is 9944953. The next prime is 9945043. The reversal of 9945012 is 2105499.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43314 + ... + 43542.

It is an arithmetic number, because the mean of its divisors is an integer number (309120).

Almost surely, 2^9945012 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 9945012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14837760).

9945012 is an abundant number, since it is smaller than the sum of its proper divisors (19730508).

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

9945012 is a wasteful number, since it uses less digits than its factorization.

9945012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 9945012 is about 3153.5713088497. The cubic root of 9945012 is about 215.0478494546.

It can be divided in two parts, 994 and 5012, that added together give a palindrome (6006).

The spelling of 9945012 in words is "nine million, nine hundred forty-five thousand, twelve".