12144577 has 2 divisors, whose sum is σ = 12144578. Its totient is φ = 12144576.

The previous prime is 12144563. The next prime is 12144581. The reversal of 12144577 is 77544121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12082576 + 62001 = 3476^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144577 - 2¹⁹ = 11620289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12144677) by changing a digit.

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 as a sum of consecutive naturals, namely, 6072288 + 6072289.

It is an arithmetic number, because the mean of its divisors is an integer number (6072289).

Almost surely, 2^12144577 is an apocalyptic number.

It is an amenable number.

12144577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144577 is an equidigital number, since it uses as much as digits as its factorization.

12144577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 31.

The square root of 12144577 is about 3484.9070288890. The cubic root of 12144577 is about 229.8586213684.

Adding to 12144577 its reverse (77544121), we get a palindrome (89688698).

It can be divided in two parts, 12144 and 577, that added together give a palindrome (12721).

The spelling of 12144577 in words is "twelve million, one hundred forty-four thousand, five hundred seventy-seven".