12528069 has 8 divisors (see below), whose sum is σ = 16816800. Its totient is φ = 8295696.

The previous prime is 12528067. The next prime is 12528073. The reversal of 12528069 is 96082521.

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

It is not a de Polignac number, because 12528069 - 2¹ = 12528067 is a prime.

It is a super-2 number, since 2×12528069² = 313905025737522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528067) 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, 13567 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (2102100).

Almost surely, 2^12528069 is an apocalyptic number.

It is an amenable number.

12528069 is a deficient number, since it is larger than the sum of its proper divisors (4288731).

12528069 is a wasteful number, since it uses less digits than its factorization.

12528069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28179.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 12528069 is about 3539.5012360501. The cubic root of 12528069 is about 232.2530248266.

The spelling of 12528069 in words is "twelve million, five hundred twenty-eight thousand, sixty-nine".