12304530 has 48 divisors (see below), whose sum is σ = 36563904. Its totient is φ = 2812320.

The previous prime is 12304529. The next prime is 12304531. The reversal of 12304530 is 3540321.

It is an interprime number because it is at equal distance from previous prime (12304529) and next prime (12304531).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12304531) 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 23 ways as a sum of consecutive naturals, for example, 9136 + ... + 10395.

It is an arithmetic number, because the mean of its divisors is an integer number (761748).

Almost surely, 2^12304530 is an apocalyptic number.

12304530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12304530 is an abundant number, since it is smaller than the sum of its proper divisors (24259374).

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

12304530 is a wasteful number, since it uses less digits than its factorization.

12304530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551 (or 19548 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12304530 is about 3507.7813500844. The cubic root of 12304530 is about 230.8633587806.

Adding to 12304530 its reverse (3540321), we get a palindrome (15844851).

The spelling of 12304530 in words is "twelve million, three hundred four thousand, five hundred thirty".