12828260 has 12 divisors (see below), whose sum is σ = 26939388. Its totient is φ = 5131296.

The previous prime is 12828259. The next prime is 12828271. The reversal of 12828260 is 6282821.

It can be written as a sum of positive squares in 2 ways, for example, as 2930944 + 9897316 = 1712^2 + 3146^2 .

It is a super-3 number, since 3×12828260³ (a number of 22 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 320687 + ... + 320726.

It is an arithmetic number, because the mean of its divisors is an integer number (2244949).

Almost surely, 2^12828260 is an apocalyptic number.

12828260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12828260 is an abundant number, since it is smaller than the sum of its proper divisors (14111128).

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

12828260 is a wasteful number, since it uses less digits than its factorization.

12828260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641422 (or 641420 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 12828260 is about 3581.6560415540. The cubic root of 12828260 is about 234.0934440638.

The spelling of 12828260 in words is "twelve million, eight hundred twenty-eight thousand, two hundred sixty".