9912804 has 36 divisors (see below), whose sum is σ = 25427472. Its totient is φ = 3003440.

The previous prime is 9912803. The next prime is 9912829. The reversal of 9912804 is 4082199.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (9912803) 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, 1962 + ... + 4865.

Almost surely, 2^9912804 is an apocalyptic number.

It is an amenable number.

9912804 is an abundant number, since it is smaller than the sum of its proper divisors (15514668).

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

9912804 is a wasteful number, since it uses less digits than its factorization.

9912804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9912804 is about 3148.4605762182. The cubic root of 9912804 is about 214.8154464581.

The spelling of 9912804 in words is "nine million, nine hundred twelve thousand, eight hundred four".