12282406 has 4 divisors (see below), whose sum is σ = 18423612. Its totient is φ = 6141202.

The previous prime is 12282401. The next prime is 12282419. The reversal of 12282406 is 60428221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12282401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070600 + ... + 3070603.

It is an arithmetic number, because the mean of its divisors is an integer number (4605903).

Almost surely, 2^12282406 is an apocalyptic number.

12282406 is a deficient number, since it is larger than the sum of its proper divisors (6141206).

12282406 is an equidigital number, since it uses as much as digits as its factorization.

12282406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141205.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12282406 is about 3504.6263709560. The cubic root of 12282406 is about 230.7249088156.

It can be divided in two parts, 122 and 82406, that added together give a palindrome (82528).

The spelling of 12282406 in words is "twelve million, two hundred eighty-two thousand, four hundred six".