12828532 has 6 divisors (see below), whose sum is σ = 22449938. Its totient is φ = 6414264.

The previous prime is 12828511. The next prime is 12828539. The reversal of 12828532 is 23582821.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 1779556 = 3324^2 + 1334^2 .

It is a super-3 number, since 3×12828532³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12828494 and 12828503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603563 + ... + 1603570.

Almost surely, 2^12828532 is an apocalyptic number.

It is an amenable number.

12828532 is a deficient number, since it is larger than the sum of its proper divisors (9621406).

12828532 is a wasteful number, since it uses less digits than its factorization.

12828532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207137 (or 3207135 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 12828532 is about 3581.6940126147. The cubic root of 12828532 is about 234.0950985611.

The spelling of 12828532 in words is "twelve million, eight hundred twenty-eight thousand, five hundred thirty-two".