12304566 has 48 divisors (see below), whose sum is σ = 28641600. Its totient is φ = 3803904.

The previous prime is 12304559. The next prime is 12304573. The reversal of 12304566 is 66540321.

It is an interprime number because it is at equal distance from previous prime (12304559) and next prime (12304573).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23920 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (596700).

Almost surely, 2^12304566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12304566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14320800).

12304566 is an abundant number, since it is smaller than the sum of its proper divisors (16337034).

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

12304566 is a wasteful number, since it uses less digits than its factorization.

12304566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 12304566 is about 3507.7864815293. The cubic root of 12304566 is about 230.8635839300.

Adding to 12304566 its reverse (66540321), we get a palindrome (78844887).

The spelling of 12304566 in words is "twelve million, three hundred four thousand, five hundred sixty-six".