12580643 has 2 divisors, whose sum is σ = 12580644. Its totient is φ = 12580642.

The previous prime is 12580627. The next prime is 12580681. The reversal of 12580643 is 34608521.

12580643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34608521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12580643 - 2⁴ = 12580627 is a prime.

It is not a weakly prime, because it can be changed into another prime (12580613) by changing a digit.

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, 6290321 + 6290322.

It is an arithmetic number, because the mean of its divisors is an integer number (6290322).

Almost surely, 2^12580643 is an apocalyptic number.

12580643 is a deficient number, since it is larger than the sum of its proper divisors (1).

12580643 is an equidigital number, since it uses as much as digits as its factorization.

12580643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12580643 is about 3546.9202133682. The cubic root of 12580643 is about 232.5774544424.

The spelling of 12580643 in words is "twelve million, five hundred eighty thousand, six hundred forty-three".