12272450 has 24 divisors (see below), whose sum is σ = 23058048. Its totient is φ = 4859280.

The previous prime is 12272441. The next prime is 12272483. The reversal of 12272450 is 5427221.

It is a happy number.

It is a super-2 number, since 2×12272450² = 301226058005000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3959 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (960752).

Almost surely, 2^12272450 is an apocalyptic number.

12272450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12272450 is a deficient number, since it is larger than the sum of its proper divisors (10785598).

12272450 is a wasteful number, since it uses less digits than its factorization.

12272450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12272450 is about 3503.2056748070. The cubic root of 12272450 is about 230.6625508341.

Adding to 12272450 its reverse (5427221), we get a palindrome (17699671).

The spelling of 12272450 in words is "twelve million, two hundred seventy-two thousand, four hundred fifty".