12126441 has 8 divisors (see below), whose sum is σ = 16209760. Its totient is φ = 8063712.

The previous prime is 12126419. The next prime is 12126449. The reversal of 12126441 is 14462121.

It is a happy number.

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

It is not a de Polignac number, because 12126441 - 2¹⁰ = 12125417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12126449) 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 7 ways as a sum of consecutive naturals, for example, 3715 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (2026220).

Almost surely, 2^12126441 is an apocalyptic number.

It is an amenable number.

12126441 is a deficient number, since it is larger than the sum of its proper divisors (4083319).

12126441 is an equidigital number, since it uses as much as digits as its factorization.

12126441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10295.

The product of its digits is 384, while the sum is 21.

The square root of 12126441 is about 3482.3039786900. The cubic root of 12126441 is about 229.7441452313.

Adding to 12126441 its reverse (14462121), we get a palindrome (26588562).

It can be divided in two parts, 121 and 26441, that added together give a palindrome (26562).

The spelling of 12126441 in words is "twelve million, one hundred twenty-six thousand, four hundred forty-one".