13071425 has 6 divisors (see below), whose sum is σ = 16208598. Its totient is φ = 10457120.

The previous prime is 13071413. The next prime is 13071427. The reversal of 13071425 is 52417031.

It can be written as a sum of positive squares in 3 ways, for example, as 3041536 + 10029889 = 1744^2 + 3167^2 .

It is not a de Polignac number, because 13071425 - 2¹⁸ = 12809281 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13071425.

It is not an unprimeable number, because it can be changed into a prime (13071427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261404 + ... + 261453.

It is an arithmetic number, because the mean of its divisors is an integer number (2701433).

Almost surely, 2^13071425 is an apocalyptic number.

It is an amenable number.

13071425 is a deficient number, since it is larger than the sum of its proper divisors (3137173).

13071425 is an equidigital number, since it uses as much as digits as its factorization.

13071425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522867 (or 522862 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13071425 is about 3615.4425731852. The cubic root of 13071425 is about 235.5633083643.

Adding to 13071425 its reverse (52417031), we get a palindrome (65488456).

The spelling of 13071425 in words is "thirteen million, seventy-one thousand, four hundred twenty-five".