13271316 has 12 divisors (see below), whose sum is σ = 30966432. Its totient is φ = 4423768.

The previous prime is 13271311. The next prime is 13271341. The reversal of 13271316 is 61317231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13271316² = 352255656743712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13271311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552960 + ... + 552983.

It is an arithmetic number, because the mean of its divisors is an integer number (2580536).

Almost surely, 2^13271316 is an apocalyptic number.

It is an amenable number.

13271316 is an abundant number, since it is smaller than the sum of its proper divisors (17695116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13271316 is a wasteful number, since it uses less digits than its factorization.

13271316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105950 (or 1105948 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 13271316 is about 3642.9817457682. The cubic root of 13271316 is about 236.7580004113.

Adding to 13271316 its reverse (61317231), we get a palindrome (74588547).

The spelling of 13271316 in words is "thirteen million, two hundred seventy-one thousand, three hundred sixteen".