12909077 has 2 divisors, whose sum is σ = 12909078. Its totient is φ = 12909076.

The previous prime is 12909047. The next prime is 12909097. The reversal of 12909077 is 77090921.

12909077 is digitally balanced in base 2, 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., 12716356 + 192721 = 3566^2 + 439^2 .

It is an emirp because it is prime and its reverse (77090921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12909077 - 2²² = 8714773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12909047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454538 + 6454539.

It is an arithmetic number, because the mean of its divisors is an integer number (6454539).

Almost surely, 2^12909077 is an apocalyptic number.

It is an amenable number.

12909077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12909077 is an equidigital number, since it uses as much as digits as its factorization.

12909077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 12909077 is about 3592.9203998976. The cubic root of 12909077 is about 234.5840052548.

Adding to 12909077 its reverse (77090921), we get a palindrome (89999998).

The spelling of 12909077 in words is "twelve million, nine hundred nine thousand, seventy-seven".