16713145 has 4 divisors (see below), whose sum is σ = 20055780. Its totient is φ = 13370512.

The previous prime is 16713143. The next prime is 16713163. The reversal of 16713145 is 54131761.

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 9759376 + 6953769 = 3124^2 + 2637^2 .

It is a cyclic number.

It is not a de Polignac number, because 16713145 - 2¹ = 16713143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16713143) 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, 1671310 + ... + 1671319.

It is an arithmetic number, because the mean of its divisors is an integer number (5013945).

Almost surely, 2^16713145 is an apocalyptic number.

It is an amenable number.

16713145 is a deficient number, since it is larger than the sum of its proper divisors (3342635).

16713145 is an equidigital number, since it uses as much as digits as its factorization.

16713145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342634.

The product of its digits is 2520, while the sum is 28.

The square root of 16713145 is about 4088.1713515947. The cubic root of 16713145 is about 255.6737023196.

The spelling of 16713145 in words is "sixteen million, seven hundred thirteen thousand, one hundred forty-five".