13799963 has 4 divisors (see below), whose sum is σ = 13810608. Its totient is φ = 13789320.

The previous prime is 13799939. The next prime is 13800013. The reversal of 13799963 is 36999731.

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 13799963 - 2¹² = 13795867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13790963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (3452652).

Almost surely, 2^13799963 is an apocalyptic number.

13799963 is a deficient number, since it is larger than the sum of its proper divisors (10645).

13799963 is an equidigital number, since it uses as much as digits as its factorization.

13799963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644.

The product of its digits is 275562, while the sum is 47.

The square root of 13799963 is about 3714.8301441654. The cubic root of 13799963 is about 239.8608162892.

The spelling of 13799963 in words is "thirteen million, seven hundred ninety-nine thousand, nine hundred sixty-three".