16874971 has 2 divisors, whose sum is σ = 16874972. Its totient is φ = 16874970.

The previous prime is 16874969. The next prime is 16874987. The reversal of 16874971 is 17947861.

It is a weak prime.

It is an emirp because it is prime and its reverse (17947861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16874971 - 2¹ = 16874969 is a prime.

Together with 16874969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16874941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437485 + 8437486.

It is an arithmetic number, because the mean of its divisors is an integer number (8437486).

Almost surely, 2^16874971 is an apocalyptic number.

16874971 is a deficient number, since it is larger than the sum of its proper divisors (1).

16874971 is an equidigital number, since it uses as much as digits as its factorization.

16874971 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 16874971 is about 4107.9156515196. The cubic root of 16874971 is about 256.4962450702.

The spelling of 16874971 in words is "sixteen million, eight hundred seventy-four thousand, nine hundred seventy-one".