12822577 has 2 divisors, whose sum is σ = 12822578. Its totient is φ = 12822576.

The previous prime is 12822571. The next prime is 12822581. The reversal of 12822577 is 77522821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 2005056 = 3289^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 12822577 - 2¹¹ = 12820529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12822571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6411288 + 6411289.

It is an arithmetic number, because the mean of its divisors is an integer number (6411289).

Almost surely, 2^12822577 is an apocalyptic number.

It is an amenable number.

12822577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12822577 is an equidigital number, since it uses as much as digits as its factorization.

12822577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 34.

The square root of 12822577 is about 3580.8626055742. The cubic root of 12822577 is about 234.0588706677.

The spelling of 12822577 in words is "twelve million, eight hundred twenty-two thousand, five hundred seventy-seven".