13244003513 has 4 divisors (see below), whose sum is σ = 14262773028. Its totient is φ = 12225234000.

The previous prime is 13244003503. The next prime is 13244003519. The reversal of 13244003513 is 31530044231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6593927209 + 6650076304 = 81203^2 + 81548^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244003513 - 2¹⁶ = 13243937977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13244003519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509384738 + ... + 509384763.

It is an arithmetic number, because the mean of its divisors is an integer number (3565693257).

Almost surely, 2^13244003513 is an apocalyptic number.

13244003513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13244003513 is a deficient number, since it is larger than the sum of its proper divisors (1018769515).

13244003513 is a wasteful number, since it uses less digits than its factorization.

13244003513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018769514.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13244003513 its reverse (31530044231), we get a palindrome (44774047744).

The spelling of 13244003513 in words is "thirteen billion, two hundred forty-four million, three thousand, five hundred thirteen".