16671713 has 4 divisors (see below), whose sum is σ = 17652420. Its totient is φ = 15691008.

The previous prime is 16671701. The next prime is 16671731. The reversal of 16671713 is 31717661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14531344 + 2140369 = 3812^2 + 1463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16671713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16671713.

It is not an unprimeable number, because it can be changed into a prime (16671763) 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, 490328 + ... + 490361.

It is an arithmetic number, because the mean of its divisors is an integer number (4413105).

Almost surely, 2^16671713 is an apocalyptic number.

It is an amenable number.

16671713 is a deficient number, since it is larger than the sum of its proper divisors (980707).

16671713 is an equidigital number, since it uses as much as digits as its factorization.

16671713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980706.

The product of its digits is 5292, while the sum is 32.

The square root of 16671713 is about 4083.1009049496. The cubic root of 16671713 is about 255.4622552152.

The spelling of 16671713 in words is "sixteen million, six hundred seventy-one thousand, seven hundred thirteen".