13057103828 has 24 divisors (see below), whose sum is σ = 23172284520. Its totient is φ = 6436523520.

The previous prime is 13057103819. The next prime is 13057103833. The reversal of 13057103828 is 82830175031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 614147524 + 12442956304 = 24782^2 + 111548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13057103791 and 13057103800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859418 + ... + 874478.

It is an arithmetic number, because the mean of its divisors is an integer number (965511855).

Almost surely, 2^13057103828 is an apocalyptic number.

It is an amenable number.

13057103828 is a deficient number, since it is larger than the sum of its proper divisors (10115180692).

13057103828 is a wasteful number, since it uses less digits than its factorization.

13057103828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18107 (or 18105 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 13057103828 its reverse (82830175031), we get a palindrome (95887278859).

The spelling of 13057103828 in words is "thirteen billion, fifty-seven million, one hundred three thousand, eight hundred twenty-eight".