13225571 has 4 divisors (see below), whose sum is σ = 13238472. Its totient is φ = 13212672.

The previous prime is 13225549. The next prime is 13225573. The reversal of 13225571 is 17552231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17552231 = 31 ⋅566201.

It is a cyclic number.

It is not a de Polignac number, because 13225571 - 2¹⁸ = 12963427 is a prime.

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 13225571.

It is not an unprimeable number, because it can be changed into a prime (13225573) 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 3 ways as a sum of consecutive naturals, for example, 4766 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (3309618).

Almost surely, 2^13225571 is an apocalyptic number.

13225571 is a deficient number, since it is larger than the sum of its proper divisors (12901).

13225571 is a wasteful number, since it uses less digits than its factorization.

13225571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900.

The product of its digits is 2100, while the sum is 26.

The square root of 13225571 is about 3636.6978153264. The cubic root of 13225571 is about 236.4856596096.

The spelling of 13225571 in words is "thirteen million, two hundred twenty-five thousand, five hundred seventy-one".