12528487 has 8 divisors (see below), whose sum is σ = 12715920. Its totient is φ = 12342720.

The previous prime is 12528469. The next prime is 12528499. The reversal of 12528487 is 78482521.

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

It is a cyclic number.

It is not a de Polignac number, because 12528487 - 2⁷ = 12528359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528407) 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, 23787 + ... + 24307.

It is an arithmetic number, because the mean of its divisors is an integer number (1589490).

Almost surely, 2^12528487 is an apocalyptic number.

12528487 is a deficient number, since it is larger than the sum of its proper divisors (187433).

12528487 is a wasteful number, since it uses less digits than its factorization.

12528487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its digits is 35840, while the sum is 37.

The square root of 12528487 is about 3539.5602834250. The cubic root of 12528487 is about 232.2556078446.

The spelling of 12528487 in words is "twelve million, five hundred twenty-eight thousand, four hundred eighty-seven".