11383993 has 2 divisors, whose sum is σ = 11383994. Its totient is φ = 11383992.

The previous prime is 11383987. The next prime is 11383997. The reversal of 11383993 is 39938311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10810944 + 573049 = 3288^2 + 757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11383993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11383997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5691996 + 5691997.

It is an arithmetic number, because the mean of its divisors is an integer number (5691997).

Almost surely, 2^11383993 is an apocalyptic number.

It is an amenable number.

11383993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11383993 is an equidigital number, since it uses as much as digits as its factorization.

11383993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 11383993 is about 3374.0173384261. The cubic root of 11383993 is about 224.9563240327.

The spelling of 11383993 in words is "eleven million, three hundred eighty-three thousand, nine hundred ninety-three".