11767993 has 2 divisors, whose sum is σ = 11767994. Its totient is φ = 11767992.

The previous prime is 11767981. The next prime is 11768017. The reversal of 11767993 is 39976711.

11767993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 831744 = 3307^2 + 912^2 .

It is an emirp because it is prime and its reverse (39976711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11767993 - 2¹⁷ = 11636921 is a prime.

It is not a weakly prime, because it can be changed into another prime (11767913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883996 + 5883997.

It is an arithmetic number, because the mean of its divisors is an integer number (5883997).

Almost surely, 2^11767993 is an apocalyptic number.

It is an amenable number.

11767993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11767993 is an equidigital number, since it uses as much as digits as its factorization.

11767993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 43.

The square root of 11767993 is about 3430.4508450057. The cubic root of 11767993 is about 227.4577822880.

The spelling of 11767993 in words is "eleven million, seven hundred sixty-seven thousand, nine hundred ninety-three".