16396705 has 16 divisors (see below), whose sum is σ = 21344400. Its totient is φ = 12019968.

The previous prime is 16396697. The next prime is 16396711. The reversal of 16396705 is 50769361.

16396705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4397409 + 11999296 = 2097^2 + 3464^2 .

It is a cyclic number.

It is not a de Polignac number, because 16396705 - 2³ = 16396697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8839 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (1334025).

Almost surely, 2^16396705 is an apocalyptic number.

It is an amenable number.

16396705 is a deficient number, since it is larger than the sum of its proper divisors (4947695).

16396705 is a wasteful number, since it uses less digits than its factorization.

16396705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 16396705 is about 4049.2845046996. The cubic root of 16396705 is about 254.0498021675.

The spelling of 16396705 in words is "sixteen million, three hundred ninety-six thousand, seven hundred five".