12500687 has 6 divisors (see below), whose sum is σ = 12610728. Its totient is φ = 12391572.

The previous prime is 12500647. The next prime is 12500693. The reversal of 12500687 is 78600521.

It is not a de Polignac number, because 12500687 - 2¹² = 12496591 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 (12500617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18998 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (2101788).

Almost surely, 2^12500687 is an apocalyptic number.

12500687 is a deficient number, since it is larger than the sum of its proper divisors (110041).

12500687 is an frugal number, since it uses more digits than its factorization.

12500687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12500687 is about 3535.6310610696. The cubic root of 12500687 is about 232.0836932981.

The spelling of 12500687 in words is "twelve million, five hundred thousand, six hundred eighty-seven".