13829863 has 4 divisors (see below), whose sum is σ = 13837320. Its totient is φ = 13822408.

The previous prime is 13829843. The next prime is 13829867. The reversal of 13829863 is 36892831.

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 13829863 - 2⁹ = 13829351 is a prime.

It is a super-2 number, since 2×13829863² = 382530221197538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (3459330).

Almost surely, 2^13829863 is an apocalyptic number.

13829863 is a deficient number, since it is larger than the sum of its proper divisors (7457).

13829863 is an equidigital number, since it uses as much as digits as its factorization.

13829863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456.

The product of its digits is 62208, while the sum is 40.

The square root of 13829863 is about 3718.8523767421. The cubic root of 13829863 is about 240.0339246026.

The spelling of 13829863 in words is "thirteen million, eight hundred twenty-nine thousand, eight hundred sixty-three".