12730027 has 2 divisors, whose sum is σ = 12730028. Its totient is φ = 12730026.

The previous prime is 12730013. The next prime is 12730033. The reversal of 12730027 is 72003721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12730027 - 2²³ = 4341419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12730007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365013 + 6365014.

It is an arithmetic number, because the mean of its divisors is an integer number (6365014).

Almost surely, 2^12730027 is an apocalyptic number.

12730027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12730027 is an equidigital number, since it uses as much as digits as its factorization.

12730027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 12730027 is about 3567.9163387053. The cubic root of 12730027 is about 233.4943851847.

Adding to 12730027 its reverse (72003721), we get a palindrome (84733748).

The spelling of 12730027 in words is "twelve million, seven hundred thirty thousand, twenty-seven".