12975377 has 2 divisors, whose sum is σ = 12975378. Its totient is φ = 12975376.

The previous prime is 12975349. The next prime is 12975401. The reversal of 12975377 is 77357921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 130321 = 3584^2 + 361^2 .

It is an emirp because it is prime and its reverse (77357921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12975377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12975317) 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, 6487688 + 6487689.

It is an arithmetic number, because the mean of its divisors is an integer number (6487689).

Almost surely, 2^12975377 is an apocalyptic number.

It is an amenable number.

12975377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12975377 is an equidigital number, since it uses as much as digits as its factorization.

12975377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 12975377 is about 3602.1350613213. The cubic root of 12975377 is about 234.9849213201.

The spelling of 12975377 in words is "twelve million, nine hundred seventy-five thousand, three hundred seventy-seven".