13973671 has 2 divisors, whose sum is σ = 13973672. Its totient is φ = 13973670.

The previous prime is 13973669. The next prime is 13973731. The reversal of 13973671 is 17637931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13973671 - 2¹ = 13973669 is a prime.

Together with 13973669, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13973671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13973171) 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, 6986835 + 6986836.

It is an arithmetic number, because the mean of its divisors is an integer number (6986836).

Almost surely, 2^13973671 is an apocalyptic number.

13973671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13973671 is an equidigital number, since it uses as much as digits as its factorization.

13973671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 37.

The square root of 13973671 is about 3738.1373704025. The cubic root of 13973671 is about 240.8630443769.

The spelling of 13973671 in words is "thirteen million, nine hundred seventy-three thousand, six hundred seventy-one".