13328271 has 18 divisors (see below), whose sum is σ = 21162960. Its totient is φ = 8077080.

The previous prime is 13328261. The next prime is 13328279. The reversal of 13328271 is 17282331.

It is not a de Polignac number, because 13328271 - 2⁶ = 13328207 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13328279) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5031 + ... + 7208.

It is an arithmetic number, because the mean of its divisors is an integer number (1175720).

Almost surely, 2^13328271 is an apocalyptic number.

13328271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13328271 is a deficient number, since it is larger than the sum of its proper divisors (7834689).

13328271 is a wasteful number, since it uses less digits than its factorization.

13328271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267 (or 12253 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 13328271 is about 3650.7904623520. The cubic root of 13328271 is about 237.0962062013.

The spelling of 13328271 in words is "thirteen million, three hundred twenty-eight thousand, two hundred seventy-one".