13481271 has 24 divisors (see below), whose sum is σ = 20084480. Its totient is φ = 8710416.

The previous prime is 13481269. The next prime is 13481287. The reversal of 13481271 is 17218431.

13481271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 238³-1.

It is not a de Polignac number, because 13481271 - 2¹ = 13481269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13481261) 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, 47496 + ... + 47778.

Almost surely, 2^13481271 is an apocalyptic number.

13481271 is a deficient number, since it is larger than the sum of its proper divisors (6603209).

13481271 is a wasteful number, since it uses less digits than its factorization.

13481271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 432 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 13481271 is about 3671.6850355116. The cubic root of 13481271 is about 237.9999941153. Note that the first 5 decimals are identical.

The spelling of 13481271 in words is "thirteen million, four hundred eighty-one thousand, two hundred seventy-one".