13829915 has 16 divisors (see below), whose sum is σ = 18549216. Its totient is φ = 9811200.

The previous prime is 13829899. The next prime is 13829917. The reversal of 13829915 is 51992831.

13829915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13829915 - 2⁴ = 13829899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13829917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (1159326).

Almost surely, 2^13829915 is an apocalyptic number.

13829915 is a deficient number, since it is larger than the sum of its proper divisors (4719301).

13829915 is a wasteful number, since it uses less digits than its factorization.

13829915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190.

The product of its digits is 19440, while the sum is 38.

The square root of 13829915 is about 3718.8593681396. The cubic root of 13829915 is about 240.0342254431.

It can be divided in two parts, 13 and 829915, that added together give a palindrome (829928).

The spelling of 13829915 in words is "thirteen million, eight hundred twenty-nine thousand, nine hundred fifteen".