12528249 has 8 divisors (see below), whose sum is σ = 16732320. Its totient is φ = 8338176.

The previous prime is 12528233. The next prime is 12528259. The reversal of 12528249 is 94282521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12528249 - 2⁴ = 12528233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12528259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (2091540).

Almost surely, 2^12528249 is an apocalyptic number.

It is an amenable number.

12528249 is a deficient number, since it is larger than the sum of its proper divisors (4204071).

12528249 is an equidigital number, since it uses as much as digits as its factorization.

12528249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999.

The product of its digits is 11520, while the sum is 33.

The square root of 12528249 is about 3539.5266632701. The cubic root of 12528249 is about 232.2541371380.

The spelling of 12528249 in words is "twelve million, five hundred twenty-eight thousand, two hundred forty-nine".