12008906 has 16 divisors (see below), whose sum is σ = 22170624. Its totient is φ = 4750704.

The previous prime is 12008903. The next prime is 12008917. The reversal of 12008906 is 60980021.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12008903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32810 + ... + 33173.

It is an arithmetic number, because the mean of its divisors is an integer number (1385664).

Almost surely, 2^12008906 is an apocalyptic number.

12008906 is a deficient number, since it is larger than the sum of its proper divisors (10161718).

12008906 is a wasteful number, since it uses less digits than its factorization.

12008906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66005.

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

The square root of 12008906 is about 3465.3868470923. The cubic root of 12008906 is about 228.9994724218. Note that the first 3 decimals are identical.

Adding to 12008906 its reverse (60980021), we get a palindrome (72988927).

The spelling of 12008906 in words is "twelve million, eight thousand, nine hundred six".