12570377 has 2 divisors, whose sum is σ = 12570378. Its totient is φ = 12570376.

The previous prime is 12570347. The next prime is 12570379. The reversal of 12570377 is 77307521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 67081 = 3536^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 12570377 - 2¹⁴ = 12553993 is a prime.

Together with 12570379, 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 (12570379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285188 + 6285189.

It is an arithmetic number, because the mean of its divisors is an integer number (6285189).

Almost surely, 2^12570377 is an apocalyptic number.

It is an amenable number.

12570377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570377 is an equidigital number, since it uses as much as digits as its factorization.

12570377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 12570377 is about 3545.4727470395. The cubic root of 12570377 is about 232.5141749557.

Adding to 12570377 its reverse (77307521), we get a palindrome (89877898).

The spelling of 12570377 in words is "twelve million, five hundred seventy thousand, three hundred seventy-seven".