14678971 has 2 divisors, whose sum is σ = 14678972. Its totient is φ = 14678970.

The previous prime is 14678969. The next prime is 14678977. The reversal of 14678971 is 17987641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14678971 - 2¹ = 14678969 is a prime.

Together with 14678969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14678977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7339485 + 7339486.

It is an arithmetic number, because the mean of its divisors is an integer number (7339486).

Almost surely, 2^14678971 is an apocalyptic number.

14678971 is a deficient number, since it is larger than the sum of its proper divisors (1).

14678971 is an equidigital number, since it uses as much as digits as its factorization.

14678971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The square root of 14678971 is about 3831.3145263734. The cubic root of 14678971 is about 244.8491143694.

The spelling of 14678971 in words is "fourteen million, six hundred seventy-eight thousand, nine hundred seventy-one".