13938271 has 2 divisors, whose sum is σ = 13938272. Its totient is φ = 13938270.

The previous prime is 13938257. The next prime is 13938277. The reversal of 13938271 is 17283931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13938271 - 2⁷ = 13938143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13938277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969135 + 6969136.

It is an arithmetic number, because the mean of its divisors is an integer number (6969136).

Almost surely, 2^13938271 is an apocalyptic number.

13938271 is a deficient number, since it is larger than the sum of its proper divisors (1).

13938271 is an equidigital number, since it uses as much as digits as its factorization.

13938271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 13938271 is about 3733.3993892966. The cubic root of 13938271 is about 240.6594767263.

The spelling of 13938271 in words is "thirteen million, nine hundred thirty-eight thousand, two hundred seventy-one".