9912630 has 64 divisors (see below), whose sum is σ = 29288448. Its totient is φ = 2090880.

The previous prime is 9912613. The next prime is 9912631. The reversal of 9912630 is 362199.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912631) 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 31 ways as a sum of consecutive naturals, for example, 915 + ... + 4545.

It is an arithmetic number, because the mean of its divisors is an integer number (457632).

Almost surely, 2^9912630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9912630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14644224).

9912630 is an abundant number, since it is smaller than the sum of its proper divisors (19375818).

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

9912630 is a wasteful number, since it uses less digits than its factorization.

9912630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9912630 is about 3148.4329435451. The cubic root of 9912630 is about 214.8141895616.

The spelling of 9912630 in words is "nine million, nine hundred twelve thousand, six hundred thirty".