12587563 has 2 divisors, whose sum is σ = 12587564. Its totient is φ = 12587562.

The previous prime is 12587551. The next prime is 12587579. The reversal of 12587563 is 36578521.

12587563 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 a cyclic number.

It is not a de Polignac number, because 12587563 - 2¹⁷ = 12456491 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12587503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293781 + 6293782.

It is an arithmetic number, because the mean of its divisors is an integer number (6293782).

Almost surely, 2^12587563 is an apocalyptic number.

12587563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12587563 is an equidigital number, since it uses as much as digits as its factorization.

12587563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 12587563 is about 3547.8955734350. The cubic root of 12587563 is about 232.6200898091.

The spelling of 12587563 in words is "twelve million, five hundred eighty-seven thousand, five hundred sixty-three".