11393 has 2 divisors, whose sum is σ = 11394. Its totient is φ = 11392.

The previous prime is 11383. The next prime is 11399. The reversal of 11393 is 39311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10609 + 784 = 103^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 11393 - 2⁶ = 11329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5696 + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (5697).

It is a Proth number, since it is equal to 89 ⋅ 2⁷ + 1 and 89 < 2⁷.

2¹¹³⁹³ is an apocalyptic number.

It is an amenable number.

11393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11393 is an equidigital number, since it uses as much as digits as its factorization.

11393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81, while the sum is 17.

The square root of 11393 is about 106.7379969833. The cubic root of 11393 is about 22.5015636773.

It can be divided in two parts, 11 and 393, that added together give a palindrome (404).

The spelling of 11393 in words is "eleven thousand, three hundred ninety-three".