13318783 has 2 divisors, whose sum is σ = 13318784. Its totient is φ = 13318782.

The previous prime is 13318763. The next prime is 13318787. The reversal of 13318783 is 38781331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13318783 - 2⁹ = 13318271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13318787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659391 + 6659392.

It is an arithmetic number, because the mean of its divisors is an integer number (6659392).

Almost surely, 2^13318783 is an apocalyptic number.

13318783 is a deficient number, since it is larger than the sum of its proper divisors (1).

13318783 is an equidigital number, since it uses as much as digits as its factorization.

13318783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 13318783 is about 3649.4907863975. The cubic root of 13318783 is about 237.0399322650.

The spelling of 13318783 in words is "thirteen million, three hundred eighteen thousand, seven hundred eighty-three".