13211677 has 2 divisors, whose sum is σ = 13211678. Its totient is φ = 13211676.

The previous prime is 13211659. The next prime is 13211687. The reversal of 13211677 is 77611231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8826841 + 4384836 = 2971^2 + 2094^2 .

It is an emirp because it is prime and its reverse (77611231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13211657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605838 + 6605839.

It is an arithmetic number, because the mean of its divisors is an integer number (6605839).

Almost surely, 2^13211677 is an apocalyptic number.

It is an amenable number.

13211677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211677 is an equidigital number, since it uses as much as digits as its factorization.

13211677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 28.

The square root of 13211677 is about 3634.7870639145. The cubic root of 13211677 is about 236.4028179935.

The spelling of 13211677 in words is "thirteen million, two hundred eleven thousand, six hundred seventy-seven".