12940877 has 2 divisors, whose sum is σ = 12940878. Its totient is φ = 12940876.

The previous prime is 12940847. The next prime is 12940897. The reversal of 12940877 is 77804921.

12940877 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 5262436 = 2771^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 12940877 - 2⁶ = 12940813 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12940877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12940847) 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, 6470438 + 6470439.

It is an arithmetic number, because the mean of its divisors is an integer number (6470439).

Almost surely, 2^12940877 is an apocalyptic number.

It is an amenable number.

12940877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12940877 is an equidigital number, since it uses as much as digits as its factorization.

12940877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12940877 is about 3597.3430473059. The cubic root of 12940877 is about 234.7764707144.

The spelling of 12940877 in words is "twelve million, nine hundred forty thousand, eight hundred seventy-seven".