9912828 has 12 divisors (see below), whose sum is σ = 23129960. Its totient is φ = 3304272.

The previous prime is 9912803. The next prime is 9912829. The reversal of 9912828 is 8282199.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413023 + ... + 413046.

Almost surely, 2^9912828 is an apocalyptic number.

It is an amenable number.

9912828 is an abundant number, since it is smaller than the sum of its proper divisors (13217132).

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

9912828 is a wasteful number, since it uses less digits than its factorization.

9912828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826076 (or 826074 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 9912828 is about 3148.4643876023. The cubic root of 9912828 is about 214.8156198220.

The spelling of 9912828 in words is "nine million, nine hundred twelve thousand, eight hundred twenty-eight".