13271481 has 12 divisors (see below), whose sum is σ = 20179120. Its totient is φ = 8381880.

The previous prime is 13271471. The next prime is 13271491. The reversal of 13271481 is 18417231.

It is an interprime number because it is at equal distance from previous prime (13271471) and next prime (13271491).

It is not a de Polignac number, because 13271481 - 2¹⁴ = 13255097 is a prime.

It is a super-2 number, since 2×13271481² = 352264415866722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13271471) 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, 38635 + ... + 38976.

Almost surely, 2^13271481 is an apocalyptic number.

It is an amenable number.

13271481 is a deficient number, since it is larger than the sum of its proper divisors (6907639).

13271481 is a wasteful number, since it uses less digits than its factorization.

13271481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77636 (or 77633 counting only the distinct ones).

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

The square root of 13271481 is about 3643.0043919820. The cubic root of 13271481 is about 236.7589815978.

It can be divided in two parts, 13 and 271481, that multiplied together give a palindrome (3529253).

The spelling of 13271481 in words is "thirteen million, two hundred seventy-one thousand, four hundred eighty-one".