13749255 has 48 divisors (see below), whose sum is σ = 27037920. Its totient is φ = 6407424.

The previous prime is 13749251. The next prime is 13749257. The reversal of 13749255 is 55294731.

It is not a de Polignac number, because 13749255 - 2² = 13749251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13749251) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10497 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (563290).

Almost surely, 2^13749255 is an apocalyptic number.

13749255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13749255 is a deficient number, since it is larger than the sum of its proper divisors (13288665).

13749255 is a wasteful number, since it uses less digits than its factorization.

13749255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 13749255 is about 3707.9987864076. The cubic root of 13749255 is about 239.5666659777.

The spelling of 13749255 in words is "thirteen million, seven hundred forty-nine thousand, two hundred fifty-five".