9729012 has 24 divisors (see below), whose sum is σ = 23074912. Its totient is φ = 3189600.

The previous prime is 9728941. The next prime is 9729017. The reversal of 9729012 is 2109279.

It is a super-2 number, since 2×9729012² = 189307348992288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9729017) 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 7 ways as a sum of consecutive naturals, for example, 5914 + ... + 7377.

Almost surely, 2^9729012 is an apocalyptic number.

It is an amenable number.

9729012 is an abundant number, since it is smaller than the sum of its proper divisors (13345900).

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

9729012 is a wasteful number, since it uses less digits than its factorization.

9729012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13359 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 9729012 is about 3119.1364189468. The cubic root of 9729012 is about 213.4795341150.

The spelling of 9729012 in words is "nine million, seven hundred twenty-nine thousand, twelve".