16787713 has 2 divisors, whose sum is σ = 16787714. Its totient is φ = 16787712.

The previous prime is 16787711. The next prime is 16787717. The reversal of 16787713 is 31778761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16785409 + 2304 = 4097^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 16787713 - 2¹ = 16787711 is a prime.

Together with 16787711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16787711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8393856 + 8393857.

It is an arithmetic number, because the mean of its divisors is an integer number (8393857).

Almost surely, 2^16787713 is an apocalyptic number.

It is an amenable number.

16787713 is a deficient number, since it is larger than the sum of its proper divisors (1).

16787713 is an equidigital number, since it uses as much as digits as its factorization.

16787713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 40.

The square root of 16787713 is about 4097.2811717040. The cubic root of 16787713 is about 256.0533793719.

The spelling of 16787713 in words is "sixteen million, seven hundred eighty-seven thousand, seven hundred thirteen".