12828870389 has 8 divisors (see below), whose sum is σ = 13579880160. Its totient is φ = 12098436336.

The previous prime is 12828870367. The next prime is 12828870403. The reversal of 12828870389 is 98307882821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12828870389 is a prime.

It is a super-2 number, since 2×12828870389² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828872389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142647 + ... + 5145140.

It is an arithmetic number, because the mean of its divisors is an integer number (1697485020).

Almost surely, 2^12828870389 is an apocalyptic number.

It is an amenable number.

12828870389 is a deficient number, since it is larger than the sum of its proper divisors (751009771).

12828870389 is a wasteful number, since it uses less digits than its factorization.

12828870389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287859.

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 12828870389 in words is "twelve billion, eight hundred twenty-eight million, eight hundred seventy thousand, three hundred eighty-nine".