13938255 has 24 divisors (see below), whose sum is σ = 24496368. Its totient is φ = 7330176.

The previous prime is 13938247. The next prime is 13938257. The reversal of 13938255 is 55283931.

It is not a de Polignac number, because 13938255 - 2³ = 13938247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13938257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (1020682).

Almost surely, 2^13938255 is an apocalyptic number.

13938255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13938255 is a deficient number, since it is larger than the sum of its proper divisors (10558113).

13938255 is a wasteful number, since it uses less digits than its factorization.

13938255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327 (or 4324 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 13938255 is about 3733.3972464767. The cubic root of 13938255 is about 240.6593846405.

The spelling of 13938255 in words is "thirteen million, nine hundred thirty-eight thousand, two hundred fifty-five".