12271246 has 16 divisors (see below), whose sum is σ = 20989584. Its totient is φ = 5330304.

The previous prime is 12271219. The next prime is 12271247. The reversal of 12271246 is 64217221.

It is a self number, because there is not a number n which added to its sum of digits gives 12271246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12271247) 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, 13440 + ... + 14323.

It is an arithmetic number, because the mean of its divisors is an integer number (1311849).

Almost surely, 2^12271246 is an apocalyptic number.

12271246 is a deficient number, since it is larger than the sum of its proper divisors (8718338).

12271246 is a wasteful number, since it uses less digits than its factorization.

12271246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27795.

The product of its digits is 1344, while the sum is 25.

The square root of 12271246 is about 3503.0338279840. The cubic root of 12271246 is about 230.6550074668.

Adding to 12271246 its reverse (64217221), we get a palindrome (76488467).

The spelling of 12271246 in words is "twelve million, two hundred seventy-one thousand, two hundred forty-six".