13783799 has 2 divisors, whose sum is σ = 13783800. Its totient is φ = 13783798.

The previous prime is 13783789. The next prime is 13783817. The reversal of 13783799 is 99738731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13783799 - 2²⁰ = 12735223 is a prime.

It is a super-2 number, since 2×13783799² = 379986229744802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13783789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891899 + 6891900.

It is an arithmetic number, because the mean of its divisors is an integer number (6891900).

Almost surely, 2^13783799 is an apocalyptic number.

13783799 is a deficient number, since it is larger than the sum of its proper divisors (1).

13783799 is an equidigital number, since it uses as much as digits as its factorization.

13783799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 13783799 is about 3712.6539025339. The cubic root of 13783799 is about 239.7671294443.

The spelling of 13783799 in words is "thirteen million, seven hundred eighty-three thousand, seven hundred ninety-nine".