13204440332013 has 64 divisors (see below), whose sum is σ = 21099001577472. Its totient is φ = 7188087121920.

The previous prime is 13204440332009. The next prime is 13204440332099. The reversal of 13204440332013 is 31023304440231.

It is a happy number.

It is not a de Polignac number, because 13204440332013 - 2² = 13204440332009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204440330013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17145420 + ... + 17899002.

It is an arithmetic number, because the mean of its divisors is an integer number (329671899648).

Almost surely, 2^{13204440332013} is an apocalyptic number.

It is an amenable number.

13204440332013 is a deficient number, since it is larger than the sum of its proper divisors (7894561245459).

13204440332013 is a wasteful number, since it uses less digits than its factorization.

13204440332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754114.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13204440332013 its reverse (31023304440231), we get a palindrome (44227744772244).

The spelling of 13204440332013 in words is "thirteen trillion, two hundred four billion, four hundred forty million, three hundred thirty-two thousand, thirteen".