16927247 has 2 divisors, whose sum is σ = 16927248. Its totient is φ = 16927246.

The previous prime is 16927231. The next prime is 16927249. The reversal of 16927247 is 74272961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16927247 - 2⁴ = 16927231 is a prime.

Together with 16927249, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16927247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16927249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8463623 + 8463624.

It is an arithmetic number, because the mean of its divisors is an integer number (8463624).

Almost surely, 2^16927247 is an apocalyptic number.

16927247 is a deficient number, since it is larger than the sum of its proper divisors (1).

16927247 is an equidigital number, since it uses as much as digits as its factorization.

16927247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 16927247 is about 4114.2735689305. The cubic root of 16927247 is about 256.7608336845.

The spelling of 16927247 in words is "sixteen million, nine hundred twenty-seven thousand, two hundred forty-seven".