13271147 has 8 divisors (see below), whose sum is σ = 13590720. Its totient is φ = 12954240.

The previous prime is 13271143. The next prime is 13271149. The reversal of 13271147 is 74117231.

13271147 = 24² + 25² + ... + 341².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13271147 - 2² = 13271143 is a prime.

It is a super-2 number, since 2×13271147² = 352246685391218, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 12254 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 2^13271147 is an apocalyptic number.

13271147 is a deficient number, since it is larger than the sum of its proper divisors (319573).

13271147 is a wasteful number, since it uses less digits than its factorization.

13271147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333.

The product of its digits is 1176, while the sum is 26.

The square root of 13271147 is about 3642.9585504093. The cubic root of 13271147 is about 236.7569954301.

Adding to 13271147 its reverse (74117231), we get a palindrome (87388378).

The spelling of 13271147 in words is "thirteen million, two hundred seventy-one thousand, one hundred forty-seven".