13829443 has 4 divisors (see below), whose sum is σ = 13984920. Its totient is φ = 13673968.

The previous prime is 13829419. The next prime is 13829461. The reversal of 13829443 is 34492831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13829443 - 2¹³ = 13821251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13829399 and 13829408.

It is not an unprimeable number, because it can be changed into a prime (13829243) 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, 77605 + ... + 77782.

It is an arithmetic number, because the mean of its divisors is an integer number (3496230).

Almost surely, 2^13829443 is an apocalyptic number.

13829443 is a deficient number, since it is larger than the sum of its proper divisors (155477).

13829443 is an equidigital number, since it uses as much as digits as its factorization.

13829443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155476.

The product of its digits is 20736, while the sum is 34.

The square root of 13829443 is about 3718.7959072797. The cubic root of 13829443 is about 240.0314947094.

The spelling of 13829443 in words is "thirteen million, eight hundred twenty-nine thousand, four hundred forty-three".