12304560 has 80 divisors (see below), whose sum is σ = 38497536. Its totient is φ = 3250944.

The previous prime is 12304559. The next prime is 12304573. The reversal of 12304560 is 6540321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 39927 + ... + 40233.

Almost surely, 2^12304560 is an apocalyptic number.

12304560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12304560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19248768).

12304560 is an abundant number, since it is smaller than the sum of its proper divisors (26192976).

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

12304560 is a wasteful number, since it uses less digits than its factorization.

12304560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12304560 is about 3507.7856262890. The cubic root of 12304560 is about 230.8635464051.

Adding to 12304560 its reverse (6540321), we get a palindrome (18844881).

The spelling of 12304560 in words is "twelve million, three hundred four thousand, five hundred sixty".