12320677 has 2 divisors, whose sum is σ = 12320678. Its totient is φ = 12320676.

The previous prime is 12320669. The next prime is 12320713. The reversal of 12320677 is 77602321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7650756 + 4669921 = 2766^2 + 2161^2 .

It is an emirp because it is prime and its reverse (77602321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320677 - 2³ = 12320669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160338 + 6160339.

It is an arithmetic number, because the mean of its divisors is an integer number (6160339).

Almost surely, 2^12320677 is an apocalyptic number.

It is an amenable number.

12320677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320677 is an equidigital number, since it uses as much as digits as its factorization.

12320677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12320677 is about 3510.0821927699. The cubic root of 12320677 is about 230.9643004994.

Adding to 12320677 its reverse (77602321), we get a palindrome (89922998).

The spelling of 12320677 in words is "twelve million, three hundred twenty thousand, six hundred seventy-seven".