12146908 has 24 divisors (see below), whose sum is σ = 22825152. Its totient is φ = 5635584.

The previous prime is 12146903. The next prime is 12146917. The reversal of 12146908 is 80964121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12146908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741 + ... + 6187.

It is an arithmetic number, because the mean of its divisors is an integer number (951048).

Almost surely, 2^12146908 is an apocalyptic number.

It is an amenable number.

12146908 is a deficient number, since it is larger than the sum of its proper divisors (10678244).

12146908 is a wasteful number, since it uses less digits than its factorization.

12146908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2539 counting only the distinct ones).

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

The square root of 12146908 is about 3485.2414550501. The cubic root of 12146908 is about 229.8733265922.

The spelling of 12146908 in words is "twelve million, one hundred forty-six thousand, nine hundred eight".