12827279 has 2 divisors, whose sum is σ = 12827280. Its totient is φ = 12827278.

The previous prime is 12827257. The next prime is 12827281. The reversal of 12827279 is 97272821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12827279 is a prime.

Together with 12827281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12827209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413639 + 6413640.

It is an arithmetic number, because the mean of its divisors is an integer number (6413640).

Almost surely, 2^12827279 is an apocalyptic number.

12827279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12827279 is an equidigital number, since it uses as much as digits as its factorization.

12827279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 12827279 is about 3581.5190911120. The cubic root of 12827279 is about 234.0874767301.

The spelling of 12827279 in words is "twelve million, eight hundred twenty-seven thousand, two hundred seventy-nine".