13447203504 has 80 divisors (see below), whose sum is σ = 39716957952. Its totient is φ = 3840539904.

The previous prime is 13447203487. The next prime is 13447203557. The reversal of 13447203504 is 40530274431.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1056442 + ... + 1069094.

Almost surely, 2^13447203504 is an apocalyptic number.

13447203504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13447203504 is an abundant number, since it is smaller than the sum of its proper divisors (26269754448).

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

13447203504 is a wasteful number, since it uses less digits than its factorization.

13447203504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15834 (or 15828 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 13447203504 its reverse (40530274431), we get a palindrome (53977477935).

The spelling of 13447203504 in words is "thirteen billion, four hundred forty-seven million, two hundred three thousand, five hundred four".