13244003324503 has 16 divisors (see below), whose sum is σ = 15194302747200. Its totient is φ = 11308360605696.

The previous prime is 13244003324441. The next prime is 13244003324509. The reversal of 13244003324503 is 30542330044231.

It is not a de Polignac number, because 13244003324503 - 2²⁵ = 13243969770071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244003324509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475526 + ... + 5353987.

It is an arithmetic number, because the mean of its divisors is an integer number (949643921700).

Almost surely, 2^{13244003324503} is an apocalyptic number.

13244003324503 is a deficient number, since it is larger than the sum of its proper divisors (1950299422697).

13244003324503 is an equidigital number, since it uses as much as digits as its factorization.

13244003324503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830586.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 13244003324503 its reverse (30542330044231), we get a palindrome (43786333368734).

The spelling of 13244003324503 in words is "thirteen trillion, two hundred forty-four billion, three million, three hundred twenty-four thousand, five hundred three".