13312271 has 12 divisors (see below), whose sum is σ = 15559632. Its totient is φ = 11356128.

The previous prime is 13312261. The next prime is 13312283. The reversal of 13312271 is 17221331.

It is a de Polignac number, because none of the positive numbers 2^k-13312271 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 (13312231) 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 11 ways as a sum of consecutive naturals, for example, 12371 + ... + 13403.

It is an arithmetic number, because the mean of its divisors is an integer number (1296636).

Almost surely, 2^13312271 is an apocalyptic number.

13312271 is a deficient number, since it is larger than the sum of its proper divisors (2247361).

13312271 is a wasteful number, since it uses less digits than its factorization.

With its successor (13312272) it forms an eRAP, since the sums of their prime factors are consecutive (1310 and 1311).

13312271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 1303 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 13312271 is about 3648.5984980537. The cubic root of 13312271 is about 237.0012937077.

The spelling of 13312271 in words is "thirteen million, three hundred twelve thousand, two hundred seventy-one".