13831127 has 4 divisors (see below), whose sum is σ = 13841256. Its totient is φ = 13821000.

The previous prime is 13831121. The next prime is 13831159. The reversal of 13831127 is 72113831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13831127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13831096 and 13831105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13831121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (3460314).

Almost surely, 2^13831127 is an apocalyptic number.

13831127 is a deficient number, since it is larger than the sum of its proper divisors (10129).

13831127 is an equidigital number, since it uses as much as digits as its factorization.

13831127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128.

The product of its digits is 1008, while the sum is 26.

The square root of 13831127 is about 3719.0223177604. The cubic root of 13831127 is about 240.0412371271.

Adding to 13831127 its reverse (72113831), we get a palindrome (85944958).

The spelling of 13831127 in words is "thirteen million, eight hundred thirty-one thousand, one hundred twenty-seven".