12127444 has 12 divisors (see below), whose sum is σ = 24254944. Its totient is φ = 5197464.

The previous prime is 12127433. The next prime is 12127447. The reversal of 12127444 is 44472121.

12127444 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127447) by changing a digit.

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, 216534 + ... + 216589.

Almost surely, 2^12127444 is an apocalyptic number.

12127444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12127444 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.

12127444 is a wasteful number, since it uses less digits than its factorization.

12127444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433134 (or 433132 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 12127444 is about 3482.4479895614. The cubic root of 12127444 is about 229.7504792421.

Adding to 12127444 its reverse (44472121), we get a palindrome (56599565).

The spelling of 12127444 in words is "twelve million, one hundred twenty-seven thousand, four hundred forty-four".