12528507 has 16 divisors (see below), whose sum is σ = 17805312. Its totient is φ = 7808640.

The previous prime is 12528499. The next prime is 12528517. The reversal of 12528507 is 70582521.

It is not a de Polignac number, because 12528507 - 2³ = 12528499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12528517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7782 + ... + 9252.

It is an arithmetic number, because the mean of its divisors is an integer number (1112832).

Almost surely, 2^12528507 is an apocalyptic number.

12528507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12528507 is a deficient number, since it is larger than the sum of its proper divisors (5276805).

12528507 is a wasteful number, since it uses less digits than its factorization.

12528507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12528507 is about 3539.5631086336. The cubic root of 12528507 is about 232.2557314325.

The spelling of 12528507 in words is "twelve million, five hundred twenty-eight thousand, five hundred seven".