13829215 has 8 divisors (see below), whose sum is σ = 16750800. Its totient is φ = 10959552.

The previous prime is 13829213. The next prime is 13829219. The reversal of 13829215 is 51292831.

13829215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13829215 - 2¹ = 13829213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12390 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (2093850).

Almost surely, 2^13829215 is an apocalyptic number.

13829215 is a deficient number, since it is larger than the sum of its proper divisors (2921585).

13829215 is a wasteful number, since it uses less digits than its factorization.

13829215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25961.

The product of its digits is 4320, while the sum is 31.

The square root of 13829215 is about 3718.7652520696. The cubic root of 13829215 is about 240.0301756040.

The spelling of 13829215 in words is "thirteen million, eight hundred twenty-nine thousand, two hundred fifteen".