12149908 has 12 divisors (see below), whose sum is σ = 21757120. Its totient is φ = 5933592.

The previous prime is 12149881. The next prime is 12149933. The reversal of 12149908 is 80994121.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 35148 + ... + 35491.

Almost surely, 2^12149908 is an apocalyptic number.

It is an amenable number.

12149908 is a deficient number, since it is larger than the sum of its proper divisors (9607212).

12149908 is a wasteful number, since it uses less digits than its factorization.

12149908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70686 (or 70684 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12149908 is about 3485.6718147296. The cubic root of 12149908 is about 229.8922494658.

The spelling of 12149908 in words is "twelve million, one hundred forty-nine thousand, nine hundred eight".