12242146 has 16 divisors (see below), whose sum is σ = 21343680. Its totient is φ = 5157360.

The previous prime is 12242123. The next prime is 12242161. The reversal of 12242146 is 64124221.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6585 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (1333980).

Almost surely, 2^12242146 is an apocalyptic number.

12242146 is a deficient number, since it is larger than the sum of its proper divisors (9101534).

12242146 is a wasteful number, since it uses less digits than its factorization.

12242146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14889.

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

The square root of 12242146 is about 3498.8778201018. The cubic root of 12242146 is about 230.4725382654.

Adding to 12242146 its reverse (64124221), we get a palindrome (76366367).

The spelling of 12242146 in words is "twelve million, two hundred forty-two thousand, one hundred forty-six".