13038617828 has 6 divisors (see below), whose sum is σ = 22817581206. Its totient is φ = 6519308912.

The previous prime is 13038617731. The next prime is 13038617831. The reversal of 13038617828 is 82871683031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11038023844 + 2000593984 = 105062^2 + 44728^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629827225 + ... + 1629827232.

It is an arithmetic number, because the mean of its divisors is an integer number (3802930201).

Almost surely, 2^13038617828 is an apocalyptic number.

It is an amenable number.

13038617828 is a deficient number, since it is larger than the sum of its proper divisors (9778963378).

13038617828 is a wasteful number, since it uses less digits than its factorization.

13038617828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259654461 (or 3259654459 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 13038617828 in words is "thirteen billion, thirty-eight million, six hundred seventeen thousand, eight hundred twenty-eight".