12271330 has 8 divisors (see below), whose sum is σ = 22088412. Its totient is φ = 4908528.

The previous prime is 12271313. The next prime is 12271333. The reversal of 12271330 is 3317221.

It can be written as a sum of positive squares in 2 ways, for example, as 10246401 + 2024929 = 3201^2 + 1423^2 .

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 = 12271298 and 12271307.

It is not an unprimeable number, because it can be changed into a prime (12271333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613557 + ... + 613576.

Almost surely, 2^12271330 is an apocalyptic number.

12271330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12271330 is a deficient number, since it is larger than the sum of its proper divisors (9817082).

12271330 is a wasteful number, since it uses less digits than its factorization.

12271330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227140.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12271330 is about 3503.0458175708. The cubic root of 12271330 is about 230.6555337642.

Adding to 12271330 its reverse (3317221), we get a palindrome (15588551).

The spelling of 12271330 in words is "twelve million, two hundred seventy-one thousand, three hundred thirty".