12528276 has 12 divisors (see below), whose sum is σ = 29232672. Its totient is φ = 4176088.

The previous prime is 12528259. The next prime is 12528281. The reversal of 12528276 is 67282521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 522000 + ... + 522023.

It is an arithmetic number, because the mean of its divisors is an integer number (2436056).

Almost surely, 2^12528276 is an apocalyptic number.

It is an amenable number.

12528276 is an abundant number, since it is smaller than the sum of its proper divisors (16704396).

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

12528276 is a wasteful number, since it uses less digits than its factorization.

12528276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044030 (or 1044028 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 12528276 is about 3539.5304773374. The cubic root of 12528276 is about 232.2543039838.

The spelling of 12528276 in words is "twelve million, five hundred twenty-eight thousand, two hundred seventy-six".