13912771 has 2 divisors, whose sum is σ = 13912772. Its totient is φ = 13912770.

The previous prime is 13912763. The next prime is 13912781. The reversal of 13912771 is 17721931.

It is a weak prime.

It is an emirp because it is prime and its reverse (17721931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13912771 - 2³ = 13912763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13912781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956385 + 6956386.

It is an arithmetic number, because the mean of its divisors is an integer number (6956386).

Almost surely, 2^13912771 is an apocalyptic number.

13912771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13912771 is an equidigital number, since it uses as much as digits as its factorization.

13912771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 31.

The square root of 13912771 is about 3729.9827077347. The cubic root of 13912771 is about 240.5126253488.

The spelling of 13912771 in words is "thirteen million, nine hundred twelve thousand, seven hundred seventy-one".