12142466 has 8 divisors (see below), whose sum is σ = 20815680. Its totient is φ = 5203908.

The previous prime is 12142451. The next prime is 12142499. The reversal of 12142466 is 66424121.

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

It is a super-2 number, since 2×12142466² = 294878961122312, which contains 22 as substring.

It is a Curzon 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, 433646 + ... + 433673.

It is an arithmetic number, because the mean of its divisors is an integer number (2601960).

Almost surely, 2^12142466 is an apocalyptic number.

12142466 is a deficient number, since it is larger than the sum of its proper divisors (8673214).

12142466 is an equidigital number, since it uses as much as digits as its factorization.

12142466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867328.

The product of its digits is 2304, while the sum is 26.

The square root of 12142466 is about 3484.6041382057. The cubic root of 12142466 is about 229.8453024012.

Adding to 12142466 its reverse (66424121), we get a palindrome (78566587).

The spelling of 12142466 in words is "twelve million, one hundred forty-two thousand, four hundred sixty-six".