13831275 has 12 divisors (see below), whose sum is σ = 22867832. Its totient is φ = 7376640.

The previous prime is 13831253. The next prime is 13831277. The reversal of 13831275 is 57213831.

13831275 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 13831275 - 2⁹ = 13830763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13831277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92134 + ... + 92283.

Almost surely, 2^13831275 is an apocalyptic number.

13831275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13831275 is a deficient number, since it is larger than the sum of its proper divisors (9036557).

13831275 is a wasteful number, since it uses less digits than its factorization.

13831275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184430 (or 184425 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 13831275 is about 3719.0422154098. The cubic root of 13831275 is about 240.0420933113.

It can be divided in two parts, 138 and 31275, that added together give a palindrome (31413).

The spelling of 13831275 in words is "thirteen million, eight hundred thirty-one thousand, two hundred seventy-five".