13826829 has 4 divisors (see below), whose sum is σ = 18435776. Its totient is φ = 9217884.

The previous prime is 13826821. The next prime is 13826843. The reversal of 13826829 is 92862831.

It is a happy number.

13826829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13826829 - 2³ = 13826821 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 (13826821) 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, 2304469 + ... + 2304474.

It is an arithmetic number, because the mean of its divisors is an integer number (4608944).

Almost surely, 2^13826829 is an apocalyptic number.

It is an amenable number.

13826829 is a deficient number, since it is larger than the sum of its proper divisors (4608947).

13826829 is an equidigital number, since it uses as much as digits as its factorization.

13826829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608946.

The product of its digits is 41472, while the sum is 39.

The square root of 13826829 is about 3718.4444328240. Note that the first 4 decimals coincide. The cubic root of 13826829 is about 240.0163704111.

The spelling of 13826829 in words is "thirteen million, eight hundred twenty-six thousand, eight hundred twenty-nine".