13966471 has 2 divisors, whose sum is σ = 13966472. Its totient is φ = 13966470.

The previous prime is 13966457. The next prime is 13966483. The reversal of 13966471 is 17466931.

13966471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17466931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13966471 - 2⁵ = 13966439 is a prime.

It is a super-3 number, since 3×13966471³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13966471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13966441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6983235 + 6983236.

It is an arithmetic number, because the mean of its divisors is an integer number (6983236).

Almost surely, 2^13966471 is an apocalyptic number.

13966471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13966471 is an equidigital number, since it uses as much as digits as its factorization.

13966471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 13966471 is about 3737.1741998467. The cubic root of 13966471 is about 240.8216686626.

The spelling of 13966471 in words is "thirteen million, nine hundred sixty-six thousand, four hundred seventy-one".