12612272 has 10 divisors (see below), whose sum is σ = 24436308. Its totient is φ = 6306128.

The previous prime is 12612241. The next prime is 12612277. The reversal of 12612272 is 27221621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12612277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394118 + ... + 394149.

Almost surely, 2^12612272 is an apocalyptic number.

It is an amenable number.

12612272 is a deficient number, since it is larger than the sum of its proper divisors (11824036).

12612272 is an equidigital number, since it uses as much as digits as its factorization.

12612272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788275 (or 788269 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 12612272 is about 3551.3760713278. The cubic root of 12612272 is about 232.7721990238.

Adding to 12612272 its reverse (27221621), we get a palindrome (39833893).

The spelling of 12612272 in words is "twelve million, six hundred twelve thousand, two hundred seventy-two".