12227408 has 20 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 6098784.

The previous prime is 12227377. The next prime is 12227419. The reversal of 12227408 is 80472221.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9083 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^12227408 is an apocalyptic number.

It is an amenable number.

12227408 is a deficient number, since it is larger than the sum of its proper divisors (11521072).

12227408 is a wasteful number, since it uses less digits than its factorization.

12227408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12227408 is about 3496.7710820127. The cubic root of 12227408 is about 230.3800145023.

Adding to 12227408 its reverse (80472221), we get a palindrome (92699629).

The spelling of 12227408 in words is "twelve million, two hundred twenty-seven thousand, four hundred eight".