13838515 has 16 divisors (see below), whose sum is σ = 17062560. Its totient is φ = 10771200.

The previous prime is 13838501. The next prime is 13838519. The reversal of 13838515 is 51583831.

13838515 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 13838515 - 2⁵ = 13838483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13838519) 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, 33631 + ... + 34039.

It is an arithmetic number, because the mean of its divisors is an integer number (1066410).

Almost surely, 2^13838515 is an apocalyptic number.

13838515 is a deficient number, since it is larger than the sum of its proper divisors (3224045).

13838515 is a wasteful number, since it uses less digits than its factorization.

13838515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its digits is 14400, while the sum is 34.

The square root of 13838515 is about 3720.0154569571. The cubic root of 13838515 is about 240.0839694605.

The spelling of 13838515 in words is "thirteen million, eight hundred thirty-eight thousand, five hundred fifteen".