12647208 has 64 divisors (see below), whose sum is σ = 36610560. Its totient is φ = 3566016.

The previous prime is 12647197. The next prime is 12647213. The reversal of 12647208 is 80274621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13491 + ... + 14397.

It is an arithmetic number, because the mean of its divisors is an integer number (572040).

Almost surely, 2^12647208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12647208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18305280).

12647208 is an abundant number, since it is smaller than the sum of its proper divisors (23963352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12647208 is a wasteful number, since it uses less digits than its factorization.

12647208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12647208 is about 3556.2913266492. The cubic root of 12647208 is about 232.9869272507.

The spelling of 12647208 in words is "twelve million, six hundred forty-seven thousand, two hundred eight".