11964517 has 2 divisors, whose sum is σ = 11964518. Its totient is φ = 11964516.

The previous prime is 11964487. The next prime is 11964521. The reversal of 11964517 is 71546911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 2910436 = 3009^2 + 1706^2 .

It is an emirp because it is prime and its reverse (71546911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11964517 - 2¹¹ = 11962469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11964587) 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, 5982258 + 5982259.

It is an arithmetic number, because the mean of its divisors is an integer number (5982259).

Almost surely, 2^11964517 is an apocalyptic number.

It is an amenable number.

11964517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11964517 is an equidigital number, since it uses as much as digits as its factorization.

11964517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 11964517 is about 3458.9762936453. The cubic root of 11964517 is about 228.7169707554.

The spelling of 11964517 in words is "eleven million, nine hundred sixty-four thousand, five hundred seventeen".