13790783 has 4 divisors (see below), whose sum is σ = 13800600. Its totient is φ = 13780968.

The previous prime is 13790779. The next prime is 13790797. The reversal of 13790783 is 38709731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13790783 - 2² = 13790779 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13790083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 5757.

It is an arithmetic number, because the mean of its divisors is an integer number (3450150).

Almost surely, 2^13790783 is an apocalyptic number.

13790783 is a deficient number, since it is larger than the sum of its proper divisors (9817).

13790783 is an equidigital number, since it uses as much as digits as its factorization.

13790783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9816.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13790783 is about 3713.5943504912. The cubic root of 13790783 is about 239.8076178198.

The spelling of 13790783 in words is "thirteen million, seven hundred ninety thousand, seven hundred eighty-three".