16712717 has 8 divisors (see below), whose sum is σ = 20223936. Its totient is φ = 13482432.

The previous prime is 16712713. The next prime is 16712741. The reversal of 16712717 is 71721761.

It is a happy number.

16712717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16712717 - 2² = 16712713 is a prime.

It is a super-3 number, since 3×16712717³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16712713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70103 + ... + 70340.

It is an arithmetic number, because the mean of its divisors is an integer number (2527992).

Almost surely, 2^16712717 is an apocalyptic number.

16712717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16712717 is a deficient number, since it is larger than the sum of its proper divisors (3511219).

16712717 is a wasteful number, since it uses less digits than its factorization.

16712717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140467.

The product of its digits is 4116, while the sum is 32.

The square root of 16712717 is about 4088.1190051171. The cubic root of 16712717 is about 255.6715198203.

The spelling of 16712717 in words is "sixteen million, seven hundred twelve thousand, seven hundred seventeen".