13278827 has 2 divisors, whose sum is σ = 13278828. Its totient is φ = 13278826.

The previous prime is 13278823. The next prime is 13278841. The reversal of 13278827 is 72887231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13278827 - 2² = 13278823 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13278821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6639413 + 6639414.

It is an arithmetic number, because the mean of its divisors is an integer number (6639414).

Almost surely, 2^13278827 is an apocalyptic number.

13278827 is a deficient number, since it is larger than the sum of its proper divisors (1).

13278827 is an equidigital number, since it uses as much as digits as its factorization.

13278827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 13278827 is about 3644.0124862574. The cubic root of 13278827 is about 236.8026569716.

The spelling of 13278827 in words is "thirteen million, two hundred seventy-eight thousand, eight hundred twenty-seven".