13271425 has 6 divisors (see below), whose sum is σ = 16456598. Its totient is φ = 10617120.

The previous prime is 13271393. The next prime is 13271429. The reversal of 13271425 is 52417231.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1098304 + 12173121 = 1048^2 + 3489^2 .

It is not a de Polignac number, because 13271425 - 2⁵ = 13271393 is a prime.

It is a super-2 number, since 2×13271425² = 352261443061250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 530857 = 13271425 / (1 + 3 + 2 + 7 + 1 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13271425.

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 5 ways as a sum of consecutive naturals, for example, 265404 + ... + 265453.

Almost surely, 2^13271425 is an apocalyptic number.

It is an amenable number.

13271425 is a deficient number, since it is larger than the sum of its proper divisors (3185173).

13271425 is an equidigital number, since it uses as much as digits as its factorization.

13271425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530867 (or 530862 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 13271425 is about 3642.9967060100. The cubic root of 13271425 is about 236.7586485900.

Adding to 13271425 its reverse (52417231), we get a palindrome (65688656).

The spelling of 13271425 in words is "thirteen million, two hundred seventy-one thousand, four hundred twenty-five".