12627539 has 2 divisors, whose sum is σ = 12627540. Its totient is φ = 12627538.

The previous prime is 12627521. The next prime is 12627547. The reversal of 12627539 is 93572621.

It is a strong prime.

It is an emirp because it is prime and its reverse (93572621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12627539 - 2⁸ = 12627283 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12627499 and 12627508.

It is not a weakly prime, because it can be changed into another prime (12627569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313769 + 6313770.

It is an arithmetic number, because the mean of its divisors is an integer number (6313770).

Almost surely, 2^12627539 is an apocalyptic number.

12627539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12627539 is an equidigital number, since it uses as much as digits as its factorization.

12627539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 12627539 is about 3553.5248697596. The cubic root of 12627539 is about 232.8660837791.

The spelling of 12627539 in words is "twelve million, six hundred twenty-seven thousand, five hundred thirty-nine".