13225171 has 2 divisors, whose sum is σ = 13225172. Its totient is φ = 13225170.

The previous prime is 13225151. The next prime is 13225183. The reversal of 13225171 is 17152231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13225171 - 2¹¹ = 13223123 is a prime.

It is not a weakly prime, because it can be changed into another prime (13225111) 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 as a sum of consecutive naturals, namely, 6612585 + 6612586.

It is an arithmetic number, because the mean of its divisors is an integer number (6612586).

Almost surely, 2^13225171 is an apocalyptic number.

13225171 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225171 is an equidigital number, since it uses as much as digits as its factorization.

13225171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 13225171 is about 3636.6428199646. The cubic root of 13225171 is about 236.4832754600.

The spelling of 13225171 in words is "thirteen million, two hundred twenty-five thousand, one hundred seventy-one".