13099947842520 has 1536 divisors, whose sum is σ = 57760874496000. Its totient is φ = 2493172224000.

The previous prime is 13099947842447. The next prime is 13099947842521. The reversal of 13099947842520 is 2524874999031.

13099947842520 is a `hidden beast` number, since 1 + 30 + 9 + 9 + 9 + 4 + 78 + 4 + 2 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13099947842521) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1895517865 + ... + 1895524775.

It is an arithmetic number, because the mean of its divisors is an integer number (37604736000).

Almost surely, 2^{13099947842520} is an apocalyptic number.

13099947842520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13099947842520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28880437248000).

13099947842520 is an abundant number, since it is smaller than the sum of its proper divisors (44660926653480).

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

13099947842520 is a wasteful number, since it uses less digits than its factorization.

13099947842520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085 (or 7078 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 13099947842520 in words is "thirteen trillion, ninety-nine billion, nine hundred forty-seven million, eight hundred forty-two thousand, five hundred twenty".