12649108 has 6 divisors (see below), whose sum is σ = 22135946. Its totient is φ = 6324552.

The previous prime is 12649067. The next prime is 12649111. The reversal of 12649108 is 80194621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10252804 + 2396304 = 3202^2 + 1548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12649108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581135 + ... + 1581142.

Almost surely, 2^12649108 is an apocalyptic number.

It is an amenable number.

12649108 is a deficient number, since it is larger than the sum of its proper divisors (9486838).

12649108 is a wasteful number, since it uses less digits than its factorization.

12649108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162281 (or 3162279 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12649108 is about 3556.5584488379. The cubic root of 12649108 is about 232.9985939363.

The spelling of 12649108 in words is "twelve million, six hundred forty-nine thousand, one hundred eight".