12266705 has 16 divisors (see below), whose sum is σ = 16758144. Its totient is φ = 8532480.

The previous prime is 12266699. The next prime is 12266719. The reversal of 12266705 is 50766221.

It is not a de Polignac number, because 12266705 - 2⁶ = 12266641 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 3584 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (1047384).

Almost surely, 2^12266705 is an apocalyptic number.

It is an amenable number.

12266705 is a deficient number, since it is larger than the sum of its proper divisors (4491439).

12266705 is a wasteful number, since it uses less digits than its factorization.

12266705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12266705 is about 3502.3856155484. The cubic root of 12266705 is about 230.6265525021.

The spelling of 12266705 in words is "twelve million, two hundred sixty-six thousand, seven hundred five".