13077917 has 2 divisors, whose sum is σ = 13077918. Its totient is φ = 13077916.

The previous prime is 13077907. The next prime is 13077923. The reversal of 13077917 is 71977031.

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., 8797156 + 4280761 = 2966^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 13077917 - 2⁴ = 13077901 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 (13077907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6538958 + 6538959.

It is an arithmetic number, because the mean of its divisors is an integer number (6538959).

Almost surely, 2^13077917 is an apocalyptic number.

It is an amenable number.

13077917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13077917 is an equidigital number, since it uses as much as digits as its factorization.

13077917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 13077917 is about 3616.3402771310. The cubic root of 13077917 is about 235.6022998768.

The spelling of 13077917 in words is "thirteen million, seventy-seven thousand, nine hundred seventeen".