13997327 has 2 divisors, whose sum is σ = 13997328. Its totient is φ = 13997326.

The previous prime is 13997323. The next prime is 13997329. The reversal of 13997327 is 72379931.

13997327 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13997327 - 2² = 13997323 is a prime.

Together with 13997329, 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 (13997323) 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, 6998663 + 6998664.

It is an arithmetic number, because the mean of its divisors is an integer number (6998664).

Almost surely, 2^13997327 is an apocalyptic number.

13997327 is a deficient number, since it is larger than the sum of its proper divisors (1).

13997327 is an equidigital number, since it uses as much as digits as its factorization.

13997327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 41.

The square root of 13997327 is about 3741.3001750728. The cubic root of 13997327 is about 240.9988866072.

The spelling of 13997327 in words is "thirteen million, nine hundred ninety-seven thousand, three hundred twenty-seven".