13104020420436 has 96 divisors (see below), whose sum is σ = 33526907043840. Its totient is φ = 3950563523200.

The previous prime is 13104020420423. The next prime is 13104020420443. The reversal of 13104020420436 is 63402402040131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33276685 + ... + 33668171.

It is an arithmetic number, because the mean of its divisors is an integer number (349238615040).

Almost surely, 2^{13104020420436} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13104020420436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16763453521920).

13104020420436 is an abundant number, since it is smaller than the sum of its proper divisors (20422886623404).

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

13104020420436 is a wasteful number, since it uses less digits than its factorization.

13104020420436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392805 (or 392803 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13104020420436 its reverse (63402402040131), we get a palindrome (76506422460567).

The spelling of 13104020420436 in words is "thirteen trillion, one hundred four billion, twenty million, four hundred twenty thousand, four hundred thirty-six".