12320177 has 2 divisors, whose sum is σ = 12320178. Its totient is φ = 12320176.

The previous prime is 12320173. The next prime is 12320179. The reversal of 12320177 is 77102321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11621281 + 698896 = 3409^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320177 - 2² = 12320173 is a prime.

It is a super-2 number, since 2×12320177² = 303573522622658, which contains 22 as substring.

Together with 12320179, 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 (12320171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160088 + 6160089.

It is an arithmetic number, because the mean of its divisors is an integer number (6160089).

Almost surely, 2^12320177 is an apocalyptic number.

It is an amenable number.

12320177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320177 is an equidigital number, since it uses as much as digits as its factorization.

12320177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 12320177 is about 3510.0109686438. The cubic root of 12320177 is about 230.9611761118.

Adding to 12320177 its reverse (77102321), we get a palindrome (89422498).

The spelling of 12320177 in words is "twelve million, three hundred twenty thousand, one hundred seventy-seven".