12144461 has 8 divisors (see below), whose sum is σ = 13904640. Its totient is φ = 10390608.

The previous prime is 12144413. The next prime is 12144463. The reversal of 12144461 is 16444121.

It is a happy number.

12144461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12144461 - 2¹⁸ = 11882317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (1738080).

Almost surely, 2^12144461 is an apocalyptic number.

It is an amenable number.

12144461 is a deficient number, since it is larger than the sum of its proper divisors (1760179).

12144461 is an equidigital number, since it uses as much as digits as its factorization.

12144461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163.

The product of its digits is 768, while the sum is 23.

The square root of 12144461 is about 3484.8903856506. The cubic root of 12144461 is about 229.8578895277.

Adding to 12144461 its reverse (16444121), we get a palindrome (28588582).

The spelling of 12144461 in words is "twelve million, one hundred forty-four thousand, four hundred sixty-one".