13253224 has 16 divisors (see below), whose sum is σ = 24891300. Its totient is φ = 6615552.

The previous prime is 13253197. The next prime is 13253237. The reversal of 13253224 is 42235231.

It can be written as a sum of positive squares in 2 ways, for example, as 12830724 + 422500 = 3582^2 + 650^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13253195 and 13253204.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6072 + ... + 7960.

Almost surely, 2^13253224 is an apocalyptic number.

It is an amenable number.

13253224 is a deficient number, since it is larger than the sum of its proper divisors (11638076).

13253224 is a wasteful number, since it uses less digits than its factorization.

13253224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 2768 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 13253224 is about 3640.4977681630. The cubic root of 13253224 is about 236.6503654271.

Adding to 13253224 its reverse (42235231), we get a palindrome (55488455).

The spelling of 13253224 in words is "thirteen million, two hundred fifty-three thousand, two hundred twenty-four".