13216783 has 2 divisors, whose sum is σ = 13216784. Its totient is φ = 13216782.

The previous prime is 13216751. The next prime is 13216787. The reversal of 13216783 is 38761231.

13216783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13216783 - 2⁵ = 13216751 is a prime.

It is equal to p₈₆₂₄₂₉ and since 13216783 and 862429 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13216787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6608391 + 6608392.

It is an arithmetic number, because the mean of its divisors is an integer number (6608392).

Almost surely, 2^13216783 is an apocalyptic number.

13216783 is a deficient number, since it is larger than the sum of its proper divisors (1).

13216783 is an equidigital number, since it uses as much as digits as its factorization.

13216783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 13216783 is about 3635.4893755862. The cubic root of 13216783 is about 236.4332687662.

The spelling of 13216783 in words is "thirteen million, two hundred sixteen thousand, seven hundred eighty-three".