12123908 has 12 divisors (see below), whose sum is σ = 21243600. Its totient is φ = 6054312.

The previous prime is 12123899. The next prime is 12123949. The reversal of 12123908 is 80932121.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (1770300).

Almost surely, 2^12123908 is an apocalyptic number.

It is an amenable number.

12123908 is a deficient number, since it is larger than the sum of its proper divisors (9119692).

12123908 is a wasteful number, since it uses less digits than its factorization.

12123908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3824 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12123908 is about 3481.9402637036. The cubic root of 12123908 is about 229.7281476152.

It can be divided in two parts, 12123 and 908, that added together give a palindrome (13031).

The spelling of 12123908 in words is "twelve million, one hundred twenty-three thousand, nine hundred eight".