12810377 has 2 divisors, whose sum is σ = 12810378. Its totient is φ = 12810376.

The previous prime is 12810353. The next prime is 12810383. The reversal of 12810377 is 77301821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10426441 + 2383936 = 3229^2 + 1544^2 .

It is an emirp because it is prime and its reverse (77301821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12810377 - 2⁸ = 12810121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12810337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405188 + 6405189.

It is an arithmetic number, because the mean of its divisors is an integer number (6405189).

Almost surely, 2^12810377 is an apocalyptic number.

It is an amenable number.

12810377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12810377 is an equidigital number, since it uses as much as digits as its factorization.

12810377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12810377 is about 3579.1587000299. The cubic root of 12810377 is about 233.9846155907.

The spelling of 12810377 in words is "twelve million, eight hundred ten thousand, three hundred seventy-seven".