13321104432 has 20 divisors (see below), whose sum is σ = 34412853240. Its totient is φ = 4440368128.

The previous prime is 13321104431. The next prime is 13321104451. The reversal of 13321104432 is 23440112331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13321104431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138761457 + ... + 138761552.

It is an arithmetic number, because the mean of its divisors is an integer number (1720642662).

Almost surely, 2^13321104432 is an apocalyptic number.

13321104432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13321104432 is an abundant number, since it is smaller than the sum of its proper divisors (21091748808).

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

13321104432 is a wasteful number, since it uses less digits than its factorization.

13321104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277523020 (or 277523014 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13321104432 its reverse (23440112331), we get a palindrome (36761216763).

The spelling of 13321104432 in words is "thirteen billion, three hundred twenty-one million, one hundred four thousand, four hundred thirty-two".