12030500 has 24 divisors (see below), whose sum is σ = 26275704. Its totient is φ = 4812000.

The previous prime is 12030463. The next prime is 12030521. The reversal of 12030500 is 503021.

It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 11792356 = 488^2 + 3434^2 .

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, 11531 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1094821).

Almost surely, 2^12030500 is an apocalyptic number.

12030500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030500 is an abundant number, since it is smaller than the sum of its proper divisors (14245204).

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

12030500 is a wasteful number, since it uses less digits than its factorization.

12030500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24080 (or 24068 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 12030500 is about 3468.5011171975. The cubic root of 12030500 is about 229.1366498793.

Adding to 12030500 its reverse (503021), we get a palindrome (12533521).

The spelling of 12030500 in words is "twelve million, thirty thousand, five hundred".