12530647 has 2 divisors, whose sum is σ = 12530648. Its totient is φ = 12530646.

The previous prime is 12530629. The next prime is 12530659. The reversal of 12530647 is 74603521.

It is a strong prime.

It is an emirp because it is prime and its reverse (74603521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12530647 - 2¹⁹ = 12006359 is a prime.

It is a super-2 number, since 2×12530647² = 314034228477218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12530677) 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, 6265323 + 6265324.

It is an arithmetic number, because the mean of its divisors is an integer number (6265324).

Almost surely, 2^12530647 is an apocalyptic number.

12530647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530647 is an equidigital number, since it uses as much as digits as its factorization.

12530647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12530647 is about 3539.8653929210. The cubic root of 12530647 is about 232.2689545822.

The spelling of 12530647 in words is "twelve million, five hundred thirty thousand, six hundred forty-seven".