12650866 has 8 divisors (see below), whose sum is σ = 18992880. Its totient is φ = 6319908.

The previous prime is 12650809. The next prime is 12650881. The reversal of 12650866 is 66805621.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (2374110).

Almost surely, 2^12650866 is an apocalyptic number.

12650866 is a deficient number, since it is larger than the sum of its proper divisors (6342014).

12650866 is a wasteful number, since it uses less digits than its factorization.

12650866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528.

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

The square root of 12650866 is about 3556.8055892894. The cubic root of 12650866 is about 233.0093876500.

The spelling of 12650866 in words is "twelve million, six hundred fifty thousand, eight hundred sixty-six".