13948771 has 2 divisors, whose sum is σ = 13948772. Its totient is φ = 13948770.

The previous prime is 13948769. The next prime is 13948777. The reversal of 13948771 is 17784931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13948771 - 2¹ = 13948769 is a prime.

Together with 13948769, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13948777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974385 + 6974386.

It is an arithmetic number, because the mean of its divisors is an integer number (6974386).

Almost surely, 2^13948771 is an apocalyptic number.

13948771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13948771 is an equidigital number, since it uses as much as digits as its factorization.

13948771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 13948771 is about 3734.8053496802. The cubic root of 13948771 is about 240.7198928818.

The spelling of 13948771 in words is "thirteen million, nine hundred forty-eight thousand, seven hundred seventy-one".