12305304 has 64 divisors (see below), whose sum is σ = 37296000. Its totient is φ = 3728160.

The previous prime is 12305273. The next prime is 12305311. The reversal of 12305304 is 40350321.

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

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 15 ways as a sum of consecutive naturals, for example, 214 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (582750).

Almost surely, 2^12305304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12305304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18648000).

12305304 is an abundant number, since it is smaller than the sum of its proper divisors (24990696).

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

12305304 is a wasteful number, since it uses less digits than its factorization.

12305304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5195 counting only the distinct ones).

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

The square root of 12305304 is about 3507.8916744962. The cubic root of 12305304 is about 230.8681993960.

Adding to 12305304 its reverse (40350321), we get a palindrome (52655625).

The spelling of 12305304 in words is "twelve million, three hundred five thousand, three hundred four".