13033224 has 40 divisors (see below), whose sum is σ = 36506910. Its totient is φ = 4344192.

The previous prime is 13033193. The next prime is 13033261. The reversal of 13033224 is 42233031.

13033224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 202500 = 3582^2 + 450^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13033197 and 13033206.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9409 + ... + 10704.

Almost surely, 2^13033224 is an apocalyptic number.

It is an amenable number.

13033224 is an abundant number, since it is smaller than the sum of its proper divisors (23473686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13033224 is a wasteful number, since it uses less digits than its factorization.

13033224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20131 (or 20118 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13033224 is about 3610.1556753137. The cubic root of 13033224 is about 235.3336079699. Note that the first 3 decimals are identical.

Adding to 13033224 its reverse (42233031), we get a palindrome (55266255).

The spelling of 13033224 in words is "thirteen million, thirty-three thousand, two hundred twenty-four".