12816877 has 2 divisors, whose sum is σ = 12816878. Its totient is φ = 12816876.

The previous prime is 12816871. The next prime is 12816883. The reversal of 12816877 is 77861821.

It is a balanced prime because it is at equal distance from previous prime (12816871) and next prime (12816883).

It can be written as a sum of positive squares in only one way, i.e., 8003241 + 4813636 = 2829^2 + 2194^2 .

It is a cyclic number.

It is not a de Polignac number, because 12816877 - 2¹⁹ = 12292589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12816871) 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, 6408438 + 6408439.

It is an arithmetic number, because the mean of its divisors is an integer number (6408439).

Almost surely, 2^12816877 is an apocalyptic number.

It is an amenable number.

12816877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12816877 is an equidigital number, since it uses as much as digits as its factorization.

12816877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 40.

The square root of 12816877 is about 3580.0666194919. The cubic root of 12816877 is about 234.0241835867.

The spelling of 12816877 in words is "twelve million, eight hundred sixteen thousand, eight hundred seventy-seven".