13828015 has 8 divisors (see below), whose sum is σ = 17129088. Its totient is φ = 10705440.

The previous prime is 13827977. The next prime is 13828039. The reversal of 13828015 is 51082831.

13828015 is digitally balanced in base 3, 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 not a de Polignac number, because 13828015 - 2¹⁵ = 13795247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44452 + ... + 44761.

It is an arithmetic number, because the mean of its divisors is an integer number (2141136).

Almost surely, 2^13828015 is an apocalyptic number.

13828015 is a deficient number, since it is larger than the sum of its proper divisors (3301073).

13828015 is an equidigital number, since it uses as much as digits as its factorization.

13828015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89249.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 13828015 is about 3718.6039046933. The cubic root of 13828015 is about 240.0232327046.

The spelling of 13828015 in words is "thirteen million, eight hundred twenty-eight thousand, fifteen".