13338471072 has 24 divisors (see below), whose sum is σ = 35013486816. Its totient is φ = 4446156992.

The previous prime is 13338471023. The next prime is 13338471077. The reversal of 13338471072 is 27017483331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13338471072.

It is not an unprimeable number, because it can be changed into a prime (13338471077) 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, 69471108 + ... + 69471299.

It is an arithmetic number, because the mean of its divisors is an integer number (1458895284).

Almost surely, 2^13338471072 is an apocalyptic number.

13338471072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13338471072 is an abundant number, since it is smaller than the sum of its proper divisors (21675015744).

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

13338471072 is a wasteful number, since it uses less digits than its factorization.

13338471072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942420 (or 138942412 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 13338471072 in words is "thirteen billion, three hundred thirty-eight million, four hundred seventy-one thousand, seventy-two".