13147325 has 6 divisors (see below), whose sum is σ = 16302714. Its totient is φ = 10517840.

The previous prime is 13147319. The next prime is 13147327. The reversal of 13147325 is 52374131.

It can be written as a sum of positive squares in 3 ways, for example, as 1951609 + 11195716 = 1397^2 + 3346^2 .

It is not a de Polignac number, because 13147325 - 2⁶ = 13147261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13147294 and 13147303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262922 + ... + 262971.

It is an arithmetic number, because the mean of its divisors is an integer number (2717119).

Almost surely, 2^13147325 is an apocalyptic number.

It is an amenable number.

13147325 is a deficient number, since it is larger than the sum of its proper divisors (3155389).

13147325 is an equidigital number, since it uses as much as digits as its factorization.

13147325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525903 (or 525898 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 13147325 is about 3625.9240201637. The cubic root of 13147325 is about 236.0183661375.

The spelling of 13147325 in words is "thirteen million, one hundred forty-seven thousand, three hundred twenty-five".