13033424 has 20 divisors (see below), whose sum is σ = 26738244. Its totient is φ = 6133248.

The previous prime is 13033421. The next prime is 13033439. The reversal of 13033424 is 42433031.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 7463824 = 2360^2 + 2732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13033396 and 13033405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23687 + ... + 24230.

Almost surely, 2^13033424 is an apocalyptic number.

It is an amenable number.

13033424 is an abundant number, since it is smaller than the sum of its proper divisors (13704820).

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

13033424 is a wasteful number, since it uses less digits than its factorization.

13033424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47942 (or 47936 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13033424 is about 3610.1833748440. The cubic root of 13033424 is about 235.3348117263.

Adding to 13033424 its reverse (42433031), we get a palindrome (55466455).

The spelling of 13033424 in words is "thirteen million, thirty-three thousand, four hundred twenty-four".