12580564 has 6 divisors (see below), whose sum is σ = 22015994. Its totient is φ = 6290280.

The previous prime is 12580549. The next prime is 12580571. The reversal of 12580564 is 46508521.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 3640464 = 2990^2 + 1908^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572567 + ... + 1572574.

Almost surely, 2^12580564 is an apocalyptic number.

It is an amenable number.

12580564 is a deficient number, since it is larger than the sum of its proper divisors (9435430).

12580564 is a wasteful number, since it uses less digits than its factorization.

12580564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145145 (or 3145143 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 12580564 is about 3546.9090769288. The cubic root of 12580564 is about 232.5769676189.

The spelling of 12580564 in words is "twelve million, five hundred eighty thousand, five hundred sixty-four".