13280871 has 4 divisors (see below), whose sum is σ = 17707832. Its totient is φ = 8853912.

The previous prime is 13280863. The next prime is 13280873. The reversal of 13280871 is 17808231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13280871 - 2³ = 13280863 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 (13280873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213476 + ... + 2213481.

It is an arithmetic number, because the mean of its divisors is an integer number (4426958).

Almost surely, 2^13280871 is an apocalyptic number.

13280871 is a deficient number, since it is larger than the sum of its proper divisors (4426961).

13280871 is an equidigital number, since it uses as much as digits as its factorization.

13280871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426960.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 13280871 is about 3644.2929355363. The cubic root of 13280871 is about 236.8148066340.

It can be divided in two parts, 132 and 80871, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 13280871 in words is "thirteen million, two hundred eighty thousand, eight hundred seventy-one".