13347012500 has 36 divisors (see below), whose sum is σ = 29194748604. Its totient is φ = 5338800000.

The previous prime is 13347012473. The next prime is 13347012541. The reversal of 13347012500 is 521074331.

It can be written as a sum of positive squares in 6 ways, for example, as 12373447696 + 973564804 = 111236^2 + 31202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13347012500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521381 + ... + 546380.

It is an arithmetic number, because the mean of its divisors is an integer number (810965239).

Almost surely, 2^13347012500 is an apocalyptic number.

13347012500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13347012500 is an abundant number, since it is smaller than the sum of its proper divisors (15847736104).

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

13347012500 is an equidigital number, since it uses as much as digits as its factorization.

13347012500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067790 (or 1067768 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 13347012500 its reverse (521074331), we get a palindrome (13868086831).

The spelling of 13347012500 in words is "thirteen billion, three hundred forty-seven million, twelve thousand, five hundred".