13303044 has 36 divisors (see below), whose sum is σ = 35606844. Its totient is φ = 4173312.

The previous prime is 13303033. The next prime is 13303049. The reversal of 13303044 is 44030331.

13303044 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 2 ways, for example, as 5008644 + 8294400 = 2238^2 + 2880^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (13303049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10257 + ... + 11480.

It is an arithmetic number, because the mean of its divisors is an integer number (989079).

Almost surely, 2^13303044 is an apocalyptic number.

It is an amenable number.

13303044 is an abundant number, since it is smaller than the sum of its proper divisors (22303800).

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

13303044 is a wasteful number, since it uses less digits than its factorization.

13303044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21764 (or 21759 counting only the distinct ones).

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

The square root of 13303044 is about 3647.3338207518. Note that the first 3 decimals coincide. The cubic root of 13303044 is about 236.9465242805.

Adding to 13303044 its reverse (44030331), we get a palindrome (57333375).

The spelling of 13303044 in words is "thirteen million, three hundred three thousand, forty-four".