13838915 has 8 divisors (see below), whose sum is σ = 16960320. Its totient is φ = 10835392.

The previous prime is 13838879. The next prime is 13838921. The reversal of 13838915 is 51983831.

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 13838915 - 2¹⁰ = 13837891 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29210 + ... + 29679.

It is an arithmetic number, because the mean of its divisors is an integer number (2120040).

Almost surely, 2^13838915 is an apocalyptic number.

13838915 is a deficient number, since it is larger than the sum of its proper divisors (3121405).

13838915 is an equidigital number, since it uses as much as digits as its factorization.

13838915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58941.

The product of its digits is 25920, while the sum is 38.

The square root of 13838915 is about 3720.0692197861. The cubic root of 13838915 is about 240.0862826341.

The spelling of 13838915 in words is "thirteen million, eight hundred thirty-eight thousand, nine hundred fifteen".