16713909 has 6 divisors (see below), whose sum is σ = 24142326. Its totient is φ = 11142600.

The previous prime is 16713883. The next prime is 16713911. The reversal of 16713909 is 90931761.

It can be written as a sum of positive squares in only one way, i.e., 13527684 + 3186225 = 3678^2 + 1785^2 .

It is not a de Polignac number, because 16713909 - 2⁵ = 16713877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16713919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 928542 + ... + 928559.

It is an arithmetic number, because the mean of its divisors is an integer number (4023721).

Almost surely, 2^16713909 is an apocalyptic number.

It is an amenable number.

16713909 is a deficient number, since it is larger than the sum of its proper divisors (7428417).

16713909 is a wasteful number, since it uses less digits than its factorization.

16713909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857107 (or 1857104 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 16713909 is about 4088.2647908373. The cubic root of 16713909 is about 255.6775980901.

The spelling of 16713909 in words is "sixteen million, seven hundred thirteen thousand, nine hundred nine".