12759228 has 96 divisors (see below), whose sum is σ = 35409920. Its totient is φ = 3965760.

The previous prime is 12759223. The next prime is 12759251. The reversal of 12759228 is 82295721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12759192 and 12759201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12759223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123825 + ... + 123927.

Almost surely, 2^12759228 is an apocalyptic number.

12759228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12759228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17704960).

12759228 is an abundant number, since it is smaller than the sum of its proper divisors (22650692).

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

12759228 is a wasteful number, since it uses less digits than its factorization.

12759228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 176 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 12759228 is about 3572.0061590092. The cubic root of 12759228 is about 233.6727839363.

The spelling of 12759228 in words is "twelve million, seven hundred fifty-nine thousand, two hundred twenty-eight".