12271322 has 8 divisors (see below), whose sum is σ = 21036576. Its totient is φ = 5259132.

The previous prime is 12271313. The next prime is 12271333. The reversal of 12271322 is 22317221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12271294 and 12271303.

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, 438248 + ... + 438275.

It is an arithmetic number, because the mean of its divisors is an integer number (2629572).

Almost surely, 2^12271322 is an apocalyptic number.

12271322 is a deficient number, since it is larger than the sum of its proper divisors (8765254).

12271322 is an equidigital number, since it uses as much as digits as its factorization.

12271322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876532.

The product of its digits is 336, while the sum is 20.

The square root of 12271322 is about 3503.0446757071. The cubic root of 12271322 is about 230.6554836408.

Adding to 12271322 its reverse (22317221), we get a palindrome (34588543).

The spelling of 12271322 in words is "twelve million, two hundred seventy-one thousand, three hundred twenty-two".