16971707 has 4 divisors (see below), whose sum is σ = 16981776. Its totient is φ = 16961640.

The previous prime is 16971701. The next prime is 16971719. The reversal of 16971707 is 70717961.

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 16971707 - 2¹⁶ = 16906171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16971701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (4245444).

Almost surely, 2^16971707 is an apocalyptic number.

16971707 is a deficient number, since it is larger than the sum of its proper divisors (10069).

16971707 is an equidigital number, since it uses as much as digits as its factorization.

16971707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 16971707 is about 4119.6731666481. The cubic root of 16971707 is about 256.9854342303.

The spelling of 16971707 in words is "sixteen million, nine hundred seventy-one thousand, seven hundred seven".