12209907 has 16 divisors (see below), whose sum is σ = 16670720. Its totient is φ = 7947072.

The previous prime is 12209887. The next prime is 12209921. The reversal of 12209907 is 70990221.

It is not a de Polignac number, because 12209907 - 2⁸ = 12209651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12209947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27594 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (1041920).

Almost surely, 2^12209907 is an apocalyptic number.

12209907 is a deficient number, since it is larger than the sum of its proper divisors (4460813).

12209907 is a wasteful number, since it uses less digits than its factorization.

12209907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 12209907 is about 3494.2677344474. The cubic root of 12209907 is about 230.2700482755.

The spelling of 12209907 in words is "twelve million, two hundred nine thousand, nine hundred seven".