13381271 has 2 divisors, whose sum is σ = 13381272. Its totient is φ = 13381270.

The previous prime is 13381241. The next prime is 13381279. The reversal of 13381271 is 17218331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13381271 - 2¹⁴ = 13364887 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13381271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13381279) 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, 6690635 + 6690636.

It is an arithmetic number, because the mean of its divisors is an integer number (6690636).

Almost surely, 2^13381271 is an apocalyptic number.

13381271 is a deficient number, since it is larger than the sum of its proper divisors (1).

13381271 is an equidigital number, since it uses as much as digits as its factorization.

13381271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 13381271 is about 3658.0419625805. The cubic root of 13381271 is about 237.4100623452.

The spelling of 13381271 in words is "thirteen million, three hundred eighty-one thousand, two hundred seventy-one".