13476259728 has 120 divisors (see below), whose sum is σ = 39429262080. Its totient is φ = 4288627200.

The previous prime is 13476259691. The next prime is 13476259729. The reversal of 13476259728 is 82795267431.

It is a happy number.

13476259728 is a `hidden beast` number, since 1 + 3 + 4 + 7 + 625 + 9 + 7 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (13476259729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1880953 + ... + 1888103.

It is an arithmetic number, because the mean of its divisors is an integer number (328577184).

Almost surely, 2^13476259728 is an apocalyptic number.

13476259728 is a gapful number since it is divisible by the number (18) 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 13476259728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19714631040).

13476259728 is an abundant number, since it is smaller than the sum of its proper divisors (25953002352).

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

13476259728 is a wasteful number, since it uses less digits than its factorization.

13476259728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757 (or 7748 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 13476259728 in words is "thirteen billion, four hundred seventy-six million, two hundred fifty-nine thousand, seven hundred twenty-eight".