12127422 has 8 divisors (see below), whose sum is σ = 24254856. Its totient is φ = 4042472.

The previous prime is 12127411. The next prime is 12127433. The reversal of 12127422 is 22472121.

It is an interprime number because it is at equal distance from previous prime (12127411) and next prime (12127433).

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

12127422 is an admirable number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1010613 + ... + 1010624.

It is an arithmetic number, because the mean of its divisors is an integer number (3031857).

Almost surely, 2^12127422 is an apocalyptic number.

12127422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12127422 is a wasteful number, since it uses less digits than its factorization.

12127422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021242.

The product of its digits is 448, while the sum is 21.

The square root of 12127422 is about 3482.4448308624. Note that the first 3 decimals coincide. The cubic root of 12127422 is about 229.7503403144.

Adding to 12127422 its reverse (22472121), we get a palindrome (34599543).

The spelling of 12127422 in words is "twelve million, one hundred twenty-seven thousand, four hundred twenty-two".