11893771 has 2 divisors, whose sum is σ = 11893772. Its totient is φ = 11893770.

The previous prime is 11893769. The next prime is 11893781. The reversal of 11893771 is 17739811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11893771 - 2¹ = 11893769 is a prime.

Together with 11893769, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11893771.

It is not a weakly prime, because it can be changed into another prime (11893711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946885 + 5946886.

It is an arithmetic number, because the mean of its divisors is an integer number (5946886).

Almost surely, 2^11893771 is an apocalyptic number.

11893771 is a deficient number, since it is larger than the sum of its proper divisors (1).

11893771 is an equidigital number, since it uses as much as digits as its factorization.

11893771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 11893771 is about 3448.7346955079. The cubic root of 11893771 is about 228.2652793559.

The spelling of 11893771 in words is "eleven million, eight hundred ninety-three thousand, seven hundred seventy-one".