12477329 has 2 divisors, whose sum is σ = 12477330. Its totient is φ = 12477328.

The previous prime is 12477323. The next prime is 12477331. The reversal of 12477329 is 92377421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10660225 + 1817104 = 3265^2 + 1348^2 .

It is a cyclic number.

It is not a de Polignac number, because 12477329 - 2¹² = 12473233 is a prime.

Together with 12477331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12477323) 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, 6238664 + 6238665.

It is an arithmetic number, because the mean of its divisors is an integer number (6238665).

Almost surely, 2^12477329 is an apocalyptic number.

It is an amenable number.

12477329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12477329 is an equidigital number, since it uses as much as digits as its factorization.

12477329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 12477329 is about 3532.3262873070. The cubic root of 12477329 is about 231.9390508244.

The spelling of 12477329 in words is "twelve million, four hundred seventy-seven thousand, three hundred twenty-nine".