13028114728 has 16 divisors (see below), whose sum is σ = 24457265280. Its totient is φ = 6506177328.

The previous prime is 13028114719. The next prime is 13028114741. The reversal of 13028114728 is 82741182031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977976 + ... + 991207.

It is an arithmetic number, because the mean of its divisors is an integer number (1528579080).

Almost surely, 2^13028114728 is an apocalyptic number.

It is an amenable number.

13028114728 is a deficient number, since it is larger than the sum of its proper divisors (11429150552).

13028114728 is a wasteful number, since it uses less digits than its factorization.

13028114728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970016 (or 1970012 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

Adding to 13028114728 its reverse (82741182031), we get a palindrome (95769296759).

The spelling of 13028114728 in words is "thirteen billion, twenty-eight million, one hundred fourteen thousand, seven hundred twenty-eight".