13214917 has 2 divisors, whose sum is σ = 13214918. Its totient is φ = 13214916.

The previous prime is 13214909. The next prime is 13214921. The reversal of 13214917 is 71941231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10439361 + 2775556 = 3231^2 + 1666^2 .

It is a cyclic number.

It is not a de Polignac number, because 13214917 - 2³ = 13214909 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 (13214947) 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, 6607458 + 6607459.

It is an arithmetic number, because the mean of its divisors is an integer number (6607459).

Almost surely, 2^13214917 is an apocalyptic number.

It is an amenable number.

13214917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13214917 is an equidigital number, since it uses as much as digits as its factorization.

13214917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 13214917 is about 3635.2327298262. The cubic root of 13214917 is about 236.4221413675.

The spelling of 13214917 in words is "thirteen million, two hundred fourteen thousand, nine hundred seventeen".