16013705 has 4 divisors (see below), whose sum is σ = 19216452. Its totient is φ = 12810960.

The previous prime is 16013693. The next prime is 16013731. The reversal of 16013705 is 50731061.

16013705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50731061 = 2659 ⋅19079.

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 11485321 = 2128^2 + 3389^2 .

It is not a de Polignac number, because 16013705 - 2⁴ = 16013689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601366 + ... + 1601375.

It is an arithmetic number, because the mean of its divisors is an integer number (4804113).

Almost surely, 2^16013705 is an apocalyptic number.

It is an amenable number.

16013705 is a deficient number, since it is larger than the sum of its proper divisors (3202747).

16013705 is an equidigital number, since it uses as much as digits as its factorization.

16013705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202746.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 16013705 is about 4001.7127583074. The cubic root of 16013705 is about 252.0561361881.

Adding to 16013705 its reverse (50731061), we get a palindrome (66744766).

The spelling of 16013705 in words is "sixteen million, thirteen thousand, seven hundred five".