13225889 has 4 divisors (see below), whose sum is σ = 13237524. Its totient is φ = 13214256.

The previous prime is 13225873. The next prime is 13225931. The reversal of 13225889 is 98852231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98852231 = 19 ⋅5202749.

It can be written as a sum of positive squares in 2 ways, for example, as 7656289 + 5569600 = 2767^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 13225889 - 2⁴ = 13225873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13225819) 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, 3902 + ... + 6455.

It is an arithmetic number, because the mean of its divisors is an integer number (3309381).

Almost surely, 2^13225889 is an apocalyptic number.

It is an amenable number.

13225889 is a deficient number, since it is larger than the sum of its proper divisors (11635).

13225889 is a wasteful number, since it uses less digits than its factorization.

13225889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634.

The product of its digits is 34560, while the sum is 38.

The square root of 13225889 is about 3636.7415360457. The cubic root of 13225889 is about 236.4875549742.

The spelling of 13225889 in words is "thirteen million, two hundred twenty-five thousand, eight hundred eighty-nine".