13003573 has 4 divisors (see below), whose sum is σ = 14185728. Its totient is φ = 11821420.

The previous prime is 13003559. The next prime is 13003577. The reversal of 13003573 is 37530031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13003573 - 2⁹ = 13003061 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591061 + ... + 591082.

It is an arithmetic number, because the mean of its divisors is an integer number (3546432).

Almost surely, 2^13003573 is an apocalyptic number.

It is an amenable number.

13003573 is a deficient number, since it is larger than the sum of its proper divisors (1182155).

13003573 is a wasteful number, since it uses less digits than its factorization.

13003573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182154.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 13003573 is about 3606.0467273733. The cubic root of 13003573 is about 235.1550086420.

The spelling of 13003573 in words is "thirteen million, three thousand, five hundred seventy-three".