12122446 has 8 divisors (see below), whose sum is σ = 20781360. Its totient is φ = 5195328.

The previous prime is 12122443. The next prime is 12122447. The reversal of 12122446 is 64422121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432931 + ... + 432958.

It is an arithmetic number, because the mean of its divisors is an integer number (2597670).

Almost surely, 2^12122446 is an apocalyptic number.

12122446 is a deficient number, since it is larger than the sum of its proper divisors (8658914).

12122446 is an equidigital number, since it uses as much as digits as its factorization.

12122446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865898.

The product of its digits is 768, while the sum is 22.

The square root of 12122446 is about 3481.7303169545. The cubic root of 12122446 is about 229.7189130775.

Adding to 12122446 its reverse (64422121), we get a palindrome (76544567).

The spelling of 12122446 in words is "twelve million, one hundred twenty-two thousand, four hundred forty-six".