12144413 has 2 divisors, whose sum is σ = 12144414. Its totient is φ = 12144412.

The previous prime is 12144403. The next prime is 12144463. The reversal of 12144413 is 31444121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8602489 + 3541924 = 2933^2 + 1882^2 .

It is an emirp because it is prime and its reverse (31444121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12144413 - 2²⁰ = 11095837 is a prime.

It is a super-2 number, since 2×12144413² = 294973534229138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072206 + 6072207.

It is an arithmetic number, because the mean of its divisors is an integer number (6072207).

Almost surely, 2^12144413 is an apocalyptic number.

It is an amenable number.

12144413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144413 is an equidigital number, since it uses as much as digits as its factorization.

12144413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 12144413 is about 3484.8834987701. The cubic root of 12144413 is about 229.8575866958.

Adding to 12144413 its reverse (31444121), we get a palindrome (43588534).

The spelling of 12144413 in words is "twelve million, one hundred forty-four thousand, four hundred thirteen".