13513044 has 24 divisors (see below), whose sum is σ = 31625440. Its totient is φ = 4490784.

The previous prime is 13513037. The next prime is 13513081. The reversal of 13513044 is 44031531.

It is a self number, because there is not a number n which added to its sum of digits gives 13513044.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2967 + ... + 5985.

Almost surely, 2^13513044 is an apocalyptic number.

It is an amenable number.

13513044 is an abundant number, since it is smaller than the sum of its proper divisors (18112396).

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

13513044 is a wasteful number, since it uses less digits than its factorization.

13513044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13513044 is about 3676.0092491723. The cubic root of 13513044 is about 238.1868222175.

Adding to 13513044 its reverse (44031531), we get a palindrome (57544575).

The spelling of 13513044 in words is "thirteen million, five hundred thirteen thousand, forty-four".