13271140 has 12 divisors (see below), whose sum is σ = 27869436. Its totient is φ = 5308448.

The previous prime is 13271117. The next prime is 13271143. The reversal of 13271140 is 4117231.

It can be written as a sum of positive squares in 2 ways, for example, as 10201636 + 3069504 = 3194^2 + 1752^2 .

It is a super-2 number, since 2×13271140² = 352246313799200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13271143) 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, 331759 + ... + 331798.

It is an arithmetic number, because the mean of its divisors is an integer number (2322453).

Almost surely, 2^13271140 is an apocalyptic number.

13271140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13271140 is an abundant number, since it is smaller than the sum of its proper divisors (14598296).

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

13271140 is a wasteful number, since it uses less digits than its factorization.

13271140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663566 (or 663564 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 13271140 is about 3642.9575896516. The cubic root of 13271140 is about 236.7569538034.

Adding to 13271140 its reverse (4117231), we get a palindrome (17388371).

The spelling of 13271140 in words is "thirteen million, two hundred seventy-one thousand, one hundred forty".