12803528 has 16 divisors (see below), whose sum is σ = 24460380. Its totient is φ = 6280768.

The previous prime is 12803509. The next prime is 12803537. The reversal of 12803528 is 82530821.

12803528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12802084 + 1444 = 3578^2 + 38^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12803528.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14675 + ... + 15522.

Almost surely, 2^12803528 is an apocalyptic number.

It is an amenable number.

12803528 is a deficient number, since it is larger than the sum of its proper divisors (11656852).

12803528 is a wasteful number, since it uses less digits than its factorization.

12803528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30256 (or 30252 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 12803528 is about 3578.2017830190. The cubic root of 12803528 is about 233.9429086132.

It can be divided in two parts, 12803 and 528, that added together give a palindrome (13331).

The spelling of 12803528 in words is "twelve million, eight hundred three thousand, five hundred twenty-eight".