12487625 has 8 divisors (see below), whose sum is σ = 15584712. Its totient is φ = 9990000.

The previous prime is 12487619. The next prime is 12487627. The reversal of 12487625 is 52678421.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 12369289 = 344^2 + 3517^2 .

It is not a de Polignac number, because 12487625 - 2⁶ = 12487561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12487627) 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, 49826 + ... + 50075.

It is an arithmetic number, because the mean of its divisors is an integer number (1948089).

Almost surely, 2^12487625 is an apocalyptic number.

It is an amenable number.

12487625 is a deficient number, since it is larger than the sum of its proper divisors (3097087).

12487625 is an frugal number, since it uses more digits than its factorization.

12487625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99916 (or 99906 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 12487625 is about 3533.7833832877. The cubic root of 12487625 is about 232.0028301775.

The spelling of 12487625 in words is "twelve million, four hundred eighty-seven thousand, six hundred twenty-five".