12939077 has 2 divisors, whose sum is σ = 12939078. Its totient is φ = 12939076.

The previous prime is 12939061. The next prime is 12939079. The reversal of 12939077 is 77093921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12609601 + 329476 = 3551^2 + 574^2 .

It is an emirp because it is prime and its reverse (77093921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12939077 - 2⁴ = 12939061 is a prime.

It is a super-2 number, since 2×12939077² = 334839427223858, which contains 22 as substring.

Together with 12939079, it forms a pair of twin primes.

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 12939077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12939079) 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, 6469538 + 6469539.

It is an arithmetic number, because the mean of its divisors is an integer number (6469539).

Almost surely, 2^12939077 is an apocalyptic number.

It is an amenable number.

12939077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12939077 is an equidigital number, since it uses as much as digits as its factorization.

12939077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 12939077 is about 3597.0928539586. The cubic root of 12939077 is about 234.7655848668.

The spelling of 12939077 in words is "twelve million, nine hundred thirty-nine thousand, seventy-seven".