14147971 has 4 divisors (see below), whose sum is σ = 14158744. Its totient is φ = 14137200.

The previous prime is 14147963. The next prime is 14147983. The reversal of 14147971 is 17974141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14147971 - 2³ = 14147963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14147941) 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 in 3 ways as a sum of consecutive naturals, for example, 3090 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (3539686).

Almost surely, 2^14147971 is an apocalyptic number.

14147971 is a deficient number, since it is larger than the sum of its proper divisors (10773).

14147971 is an equidigital number, since it uses as much as digits as its factorization.

14147971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10772.

The product of its digits is 7056, while the sum is 34.

The square root of 14147971 is about 3761.3788695105. The cubic root of 14147971 is about 241.8603741153.

The spelling of 14147971 in words is "fourteen million, one hundred forty-seven thousand, nine hundred seventy-one".