12000730 has 16 divisors (see below), whose sum is σ = 24687360. Its totient is φ = 4114512.

The previous prime is 12000683. The next prime is 12000731. The reversal of 12000730 is 3700021.

It is a self number, because there is not a number n which added to its sum of digits gives 12000730.

It is not an unprimeable number, because it can be changed into a prime (12000731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85650 + ... + 85789.

It is an arithmetic number, because the mean of its divisors is an integer number (1542960).

Almost surely, 2^12000730 is an apocalyptic number.

12000730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000730 is an abundant number, since it is smaller than the sum of its proper divisors (12686630).

12000730 is a wasteful number, since it uses less digits than its factorization.

12000730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171453.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 12000730 is about 3464.2069799595. The cubic root of 12000730 is about 228.9474908687.

Adding to 12000730 its reverse (3700021), we get a palindrome (15700751).

The spelling of 12000730 in words is "twelve million, seven hundred thirty", and thus it is an aban number.