12272566 has 8 divisors (see below), whose sum is σ = 18615960. Its totient is φ = 6067248.

The previous prime is 12272551. The next prime is 12272581. The reversal of 12272566 is 66527221.

It is an interprime number because it is at equal distance from previous prime (12272551) and next prime (12272581).

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

It is a congruent number.

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, 34296 + ... + 34651.

It is an arithmetic number, because the mean of its divisors is an integer number (2326995).

Almost surely, 2^12272566 is an apocalyptic number.

12272566 is a deficient number, since it is larger than the sum of its proper divisors (6343394).

12272566 is an equidigital number, since it uses as much as digits as its factorization.

12272566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69038.

The product of its digits is 10080, while the sum is 31.

The square root of 12272566 is about 3503.2222310325. Note that the first 4 decimals coincide. The cubic root of 12272566 is about 230.6632775776.

Adding to 12272566 its reverse (66527221), we get a palindrome (78799787).

The spelling of 12272566 in words is "twelve million, two hundred seventy-two thousand, five hundred sixty-six".