12730568 has 16 divisors (see below), whose sum is σ = 23977500. Its totient is φ = 6336576.

The previous prime is 12730567. The next prime is 12730573. The reversal of 12730568 is 86503721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 2630884 = 3178^2 + 1622^2 .

It is not an unprimeable number, because it can be changed into a prime (12730567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 5306.

Almost surely, 2^12730568 is an apocalyptic number.

It is an amenable number.

12730568 is a deficient number, since it is larger than the sum of its proper divisors (11246932).

12730568 is a wasteful number, since it uses less digits than its factorization.

12730568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12730568 is about 3567.9921524577. The cubic root of 12730568 is about 233.4976928151.

The spelling of 12730568 in words is "twelve million, seven hundred thirty thousand, five hundred sixty-eight".