13271238 has 12 divisors (see below), whose sum is σ = 28754388. Its totient is φ = 4423740.

The previous prime is 13271227. The next prime is 13271257. The reversal of 13271238 is 83217231.

It is a super-2 number, since 2×13271238² = 352251516105288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368628 + ... + 368663.

It is an arithmetic number, because the mean of its divisors is an integer number (2396199).

Almost surely, 2^13271238 is an apocalyptic number.

13271238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13271238 is an abundant number, since it is smaller than the sum of its proper divisors (15483150).

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

13271238 is a wasteful number, since it uses less digits than its factorization.

13271238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737299 (or 737296 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 13271238 is about 3642.9710402363. The cubic root of 13271238 is about 236.7575365749.

Adding to 13271238 its reverse (83217231), we get a palindrome (96488469).

The spelling of 13271238 in words is "thirteen million, two hundred seventy-one thousand, two hundred thirty-eight".