12827239 has 2 divisors, whose sum is σ = 12827240. Its totient is φ = 12827238.

The previous prime is 12827237. The next prime is 12827257. The reversal of 12827239 is 93272821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12827239 - 2¹ = 12827237 is a prime.

Together with 12827237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12827233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413619 + 6413620.

It is an arithmetic number, because the mean of its divisors is an integer number (6413620).

Almost surely, 2^12827239 is an apocalyptic number.

12827239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12827239 is an equidigital number, since it uses as much as digits as its factorization.

12827239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 12827239 is about 3581.5135068850. The cubic root of 12827239 is about 234.0872334073.

The spelling of 12827239 in words is "twelve million, eight hundred twenty-seven thousand, two hundred thirty-nine".