13247467520 has 312 divisors, whose sum is σ = 37963515744. Its totient is φ = 4421910528.

The previous prime is 13247467507. The next prime is 13247467529. The reversal of 13247467520 is 2576474231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247467529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43151207 + ... + 43151513.

Almost surely, 2^13247467520 is an apocalyptic number.

13247467520 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 13247467520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18981757872).

13247467520 is an abundant number, since it is smaller than the sum of its proper divisors (24716048224).

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

13247467520 is an equidigital number, since it uses as much as digits as its factorization.

13247467520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 13247467520 in words is "thirteen billion, two hundred forty-seven million, four hundred sixty-seven thousand, five hundred twenty".