12881028 has 24 divisors (see below), whose sum is σ = 30169888. Its totient is φ = 4277376.

The previous prime is 12881023. The next prime is 12881041. The reversal of 12881028 is 82018821.

It is a junction number, because it is equal to n+sod(n) for n = 12880986 and 12881004.

It is not an unprimeable number, because it can be changed into a prime (12881023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500 + ... + 5292.

Almost surely, 2^12881028 is an apocalyptic number.

It is an amenable number.

12881028 is an abundant number, since it is smaller than the sum of its proper divisors (17288860).

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

12881028 is a wasteful number, since it uses less digits than its factorization.

12881028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 12881028 is about 3589.0149066283. The cubic root of 12881028 is about 234.4139797212.

Adding to 12881028 its reverse (82018821), we get a palindrome (94899849).

The spelling of 12881028 in words is "twelve million, eight hundred eighty-one thousand, twenty-eight".