9420012 has 72 divisors (see below), whose sum is σ = 28173600. Its totient is φ = 2596608.

The previous prime is 9420011. The next prime is 9420017. The reversal of 9420012 is 2100249.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (9420011) 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, 6664 + ... + 7952.

It is an arithmetic number, because the mean of its divisors is an integer number (391300).

Almost surely, 2^9420012 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 9420012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14086800).

9420012 is an abundant number, since it is smaller than the sum of its proper divisors (18753588).

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

9420012 is a wasteful number, since it uses less digits than its factorization.

9420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 9420012 is about 3069.2038055496. The cubic root of 9420012 is about 211.1950907089.

The spelling of 9420012 in words is "nine million, four hundred twenty thousand, twelve".