12993677 has 2 divisors, whose sum is σ = 12993678. Its totient is φ = 12993676.

The previous prime is 12993649. The next prime is 12993691. The reversal of 12993677 is 77639921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 561001 = 3526^2 + 749^2 .

It is an emirp because it is prime and its reverse (77639921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12993677 - 2⁶ = 12993613 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 (12993077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6496838 + 6496839.

It is an arithmetic number, because the mean of its divisors is an integer number (6496839).

Almost surely, 2^12993677 is an apocalyptic number.

It is an amenable number.

12993677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12993677 is an equidigital number, since it uses as much as digits as its factorization.

12993677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 12993677 is about 3604.6743264822. The cubic root of 12993677 is about 235.0953408225.

The spelling of 12993677 in words is "twelve million, nine hundred ninety-three thousand, six hundred seventy-seven".