9812130 has 16 divisors (see below), whose sum is σ = 23549184. Its totient is φ = 2616560.

The previous prime is 9812123. The next prime is 9812167. The reversal of 9812130 is 312189.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9812130.

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 7 ways as a sum of consecutive naturals, for example, 163506 + ... + 163565.

It is an arithmetic number, because the mean of its divisors is an integer number (1471824).

Almost surely, 2^9812130 is an apocalyptic number.

9812130 is an abundant number, since it is smaller than the sum of its proper divisors (13737054).

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

9812130 is a wasteful number, since it uses less digits than its factorization.

9812130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327081.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 9812130 is about 3132.4319625492. The cubic root of 9812130 is about 214.0857518742.

The spelling of 9812130 in words is "nine million, eight hundred twelve thousand, one hundred thirty".