12304564 has 6 divisors (see below), whose sum is σ = 21532994. Its totient is φ = 6152280.

The previous prime is 12304559. The next prime is 12304573. The reversal of 12304564 is 46540321.

12304564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 1690000 = 3258^2 + 1300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538067 + ... + 1538074.

Almost surely, 2^12304564 is an apocalyptic number.

It is an amenable number.

12304564 is a deficient number, since it is larger than the sum of its proper divisors (9228430).

12304564 is a wasteful number, since it uses less digits than its factorization.

12304564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076145 (or 3076143 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12304564 is about 3507.7861964493. The cubic root of 12304564 is about 230.8635714217.

Adding to 12304564 its reverse (46540321), we get a palindrome (58844885).

The spelling of 12304564 in words is "twelve million, three hundred four thousand, five hundred sixty-four".