12271206 has 16 divisors (see below), whose sum is σ = 24577344. Its totient is φ = 4084584.

The previous prime is 12271201. The next prime is 12271219. The reversal of 12271206 is 60217221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12271201) 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, 6261 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (1536084).

Almost surely, 2^12271206 is an apocalyptic number.

12271206 is an abundant number, since it is smaller than the sum of its proper divisors (12306138).

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

12271206 is a wasteful number, since it uses less digits than its factorization.

12271206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12271206 is about 3503.0281186425. The cubic root of 12271206 is about 230.6547568481.

Adding to 12271206 its reverse (60217221), we get a palindrome (72488427).

The spelling of 12271206 in words is "twelve million, two hundred seventy-one thousand, two hundred six".