12281468 has 12 divisors (see below), whose sum is σ = 22017072. Its totient is φ = 5990880.

The previous prime is 12281459. The next prime is 12281473. The reversal of 12281468 is 86418221.

It is a happy number.

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, 37280 + ... + 37607.

It is an arithmetic number, because the mean of its divisors is an integer number (1834756).

Almost surely, 2^12281468 is an apocalyptic number.

It is an amenable number.

12281468 is a deficient number, since it is larger than the sum of its proper divisors (9735604).

12281468 is a wasteful number, since it uses less digits than its factorization.

12281468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74932 (or 74930 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 12281468 is about 3504.4925452910. The cubic root of 12281468 is about 230.7190352250.

Adding to 12281468 its reverse (86418221), we get a palindrome (98699689).

The spelling of 12281468 in words is "twelve million, two hundred eighty-one thousand, four hundred sixty-eight".