12500487 has 40 divisors (see below), whose sum is σ = 19826576. Its totient is φ = 7838208.

The previous prime is 12500459. The next prime is 12500513. The reversal of 12500487 is 78400521.

It is not a de Polignac number, because 12500487 - 2⁷ = 12500359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12500487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128823 + ... + 128919.

Almost surely, 2^12500487 is an apocalyptic number.

12500487 is a deficient number, since it is larger than the sum of its proper divisors (7326089).

12500487 is an equidigital number, since it uses as much as digits as its factorization.

12500487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12500487 is about 3535.6027774624. The cubic root of 12500487 is about 232.0824555798.

The spelling of 12500487 in words is "twelve million, five hundred thousand, four hundred eighty-seven".