13271427 has 24 divisors (see below), whose sum is σ = 20964944. Its totient is φ = 8040384.

The previous prime is 13271393. The next prime is 13271429. The reversal of 13271427 is 72417231.

It is a happy number.

It is not a de Polignac number, because 13271427 - 2⁸ = 13271171 is a prime.

It is a super-2 number, since 2×13271427² = 352261549232658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13271427.

It is not an unprimeable number, because it can be changed into a prime (13271429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6993 + ... + 8685.

Almost surely, 2^13271427 is an apocalyptic number.

13271427 is a deficient number, since it is larger than the sum of its proper divisors (7693517).

13271427 is a wasteful number, since it uses less digits than its factorization.

13271427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1776 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 13271427 is about 3642.9969805093. The cubic root of 13271427 is about 236.7586604831.

Adding to 13271427 its reverse (72417231), we get a palindrome (85688658).

The spelling of 13271427 in words is "thirteen million, two hundred seventy-one thousand, four hundred twenty-seven".