16968247 has 2 divisors, whose sum is σ = 16968248. Its totient is φ = 16968246.

The previous prime is 16968239. The next prime is 16968317. The reversal of 16968247 is 74286961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16968247 - 2³ = 16968239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16960247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8484123 + 8484124.

It is an arithmetic number, because the mean of its divisors is an integer number (8484124).

Almost surely, 2^16968247 is an apocalyptic number.

16968247 is a deficient number, since it is larger than the sum of its proper divisors (1).

16968247 is an equidigital number, since it uses as much as digits as its factorization.

16968247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 16968247 is about 4119.2532090174. The cubic root of 16968247 is about 256.9679692804.

The spelling of 16968247 in words is "sixteen million, nine hundred sixty-eight thousand, two hundred forty-seven".