12660906 has 8 divisors (see below), whose sum is σ = 25321824. Its totient is φ = 4220300.

The previous prime is 12660889. The next prime is 12660911. The reversal of 12660906 is 60906621.

It is a sphenic number, since it is the product of 3 distinct primes.

12660906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055070 + ... + 1055081.

It is an arithmetic number, because the mean of its divisors is an integer number (3165228).

Almost surely, 2^12660906 is an apocalyptic number.

12660906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12660906 is a wasteful number, since it uses less digits than its factorization.

12660906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110156.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 12660906 is about 3558.2166881740. The cubic root of 12660906 is about 233.0710117753.

The spelling of 12660906 in words is "twelve million, six hundred sixty thousand, nine hundred six".