12508666 has 8 divisors (see below), whose sum is σ = 18906624. Its totient is φ = 6206460.

The previous prime is 12508663. The next prime is 12508673. The reversal of 12508666 is 66680521.

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

It is not an unprimeable number, because it can be changed into a prime (12508663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23610 + ... + 24133.

It is an arithmetic number, because the mean of its divisors is an integer number (2363328).

Almost surely, 2^12508666 is an apocalyptic number.

12508666 is a deficient number, since it is larger than the sum of its proper divisors (6397958).

12508666 is a wasteful number, since it uses less digits than its factorization.

12508666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47876.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 12508666 is about 3536.7592510659. The cubic root of 12508666 is about 232.1330613032.

The spelling of 12508666 in words is "twelve million, five hundred eight thousand, six hundred sixty-six".