9917012 has 36 divisors (see below), whose sum is σ = 21258720. Its totient is φ = 4024944.

The previous prime is 9917009. The next prime is 9917027. The reversal of 9917012 is 2107199.

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 11 ways as a sum of consecutive naturals, for example, 2393 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (590520).

Almost surely, 2^9917012 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 9917012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10629360).

9917012 is an abundant number, since it is smaller than the sum of its proper divisors (11341708).

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

9917012 is a wasteful number, since it uses less digits than its factorization.

9917012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 9917012 is about 3149.1287684056. The cubic root of 9917012 is about 214.8458386499.

The spelling of 9917012 in words is "nine million, nine hundred seventeen thousand, twelve".