11893 has 4 divisors (see below), whose sum is σ = 13600. Its totient is φ = 10188.

The previous prime is 11887. The next prime is 11897. The reversal of 11893 is 39811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39811 = 41 ⋅971.

It is a cyclic number.

It is not a de Polignac number, because 11893 - 2¹³ = 3701 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (3400).

2¹¹⁸⁹³ is an apocalyptic number.

It is an amenable number.

11893 is a deficient number, since it is larger than the sum of its proper divisors (1707).

11893 is an equidigital number, since it uses as much as digits as its factorization.

11893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its digits is 216, while the sum is 22.

The square root of 11893 is about 109.0550319793. The cubic root of 11893 is about 22.8260346905.

The spelling of 11893 in words is "eleven thousand, eight hundred ninety-three".