11916893 has 2 divisors, whose sum is σ = 11916894. Its totient is φ = 11916892.

The previous prime is 11916869. The next prime is 11916901. The reversal of 11916893 is 39861911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11648569 + 268324 = 3413^2 + 518^2 .

It is an emirp because it is prime and its reverse (39861911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11916893 - 2⁸ = 11916637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11916823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958446 + 5958447.

It is an arithmetic number, because the mean of its divisors is an integer number (5958447).

Almost surely, 2^11916893 is an apocalyptic number.

It is an amenable number.

11916893 is a deficient number, since it is larger than the sum of its proper divisors (1).

11916893 is an equidigital number, since it uses as much as digits as its factorization.

11916893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 38.

The square root of 11916893 is about 3452.0853118079. The cubic root of 11916893 is about 228.4131027639.

The spelling of 11916893 in words is "eleven million, nine hundred sixteen thousand, eight hundred ninety-three".