12272338 has 16 divisors (see below), whose sum is σ = 19900440. Its totient is φ = 5642496.

The previous prime is 12272327. The next prime is 12272341. The reversal of 12272338 is 83327221.

12272338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3433609 + 8838729 = 1853^2 + 2973^2 .

It is a super-2 number, since 2×12272338² = 301220559972488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7498 + ... + 8986.

Almost surely, 2^12272338 is an apocalyptic number.

12272338 is a deficient number, since it is larger than the sum of its proper divisors (7628102).

12272338 is a wasteful number, since it uses less digits than its factorization.

12272338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its digits is 4032, while the sum is 28.

The square root of 12272338 is about 3503.1896894116. The cubic root of 12272338 is about 230.6618491463.

Adding to 12272338 its reverse (83327221), we get a palindrome (95599559).

The spelling of 12272338 in words is "twelve million, two hundred seventy-two thousand, three hundred thirty-eight".