13533044 has 12 divisors (see below), whose sum is σ = 27066144. Its totient is φ = 5799864.

The previous prime is 13533043. The next prime is 13533061. The reversal of 13533044 is 44033531.

13533044 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533043) 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, 241634 + ... + 241689.

It is an arithmetic number, because the mean of its divisors is an integer number (2255512).

Almost surely, 2^13533044 is an apocalyptic number.

13533044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13533044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13533044 is a wasteful number, since it uses less digits than its factorization.

13533044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483334 (or 483332 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 13533044 is about 3678.7285847151. The cubic root of 13533044 is about 238.3042738734.

Adding to 13533044 its reverse (44033531), we get a palindrome (57566575).

The spelling of 13533044 in words is "thirteen million, five hundred thirty-three thousand, forty-four".