13299911479296 has 520 divisors, whose sum is σ = 43943824015784. Its totient is φ = 3981630504960.

The previous prime is 13299911479291. The next prime is 13299911479313. The reversal of 13299911479296 is 69297411999231.

13299911479296 is a `hidden beast` number, since 1 + 3 + 299 + 9 + 1 + 1 + 47 + 9 + 296 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4968975974400 + 8330935504896 = 2229120^2 + 2886336^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299911479291) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 159542586 + ... + 159625926.

Almost surely, 2^{13299911479296} is an apocalyptic number.

13299911479296 is a gapful number since it is divisible by the number (16) 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 13299911479296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21971912007892).

13299911479296 is an abundant number, since it is smaller than the sum of its proper divisors (30643912536488).

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

13299911479296 is an equidigital number, since it uses as much as digits as its factorization.

13299911479296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83427 (or 83396 counting only the distinct ones).

The product of its digits is 119042784, while the sum is 72.

The spelling of 13299911479296 in words is "thirteen trillion, two hundred ninety-nine billion, nine hundred eleven million, four hundred seventy-nine thousand, two hundred ninety-six".