11824993 has 4 divisors (see below), whose sum is σ = 11860420. Its totient is φ = 11789568.

The previous prime is 11824987. The next prime is 11824997. The reversal of 11824993 is 39942811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39942811 = 997 ⋅40063.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 5230369 = 2568^2 + 2287^2 .

It is a cyclic number.

It is not a de Polignac number, because 11824993 - 2⁹ = 11824481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11824997) 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 in 3 ways as a sum of consecutive naturals, for example, 17208 + ... + 17881.

It is an arithmetic number, because the mean of its divisors is an integer number (2965105).

Almost surely, 2^11824993 is an apocalyptic number.

It is an amenable number.

11824993 is a deficient number, since it is larger than the sum of its proper divisors (35427).

11824993 is an equidigital number, since it uses as much as digits as its factorization.

11824993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35426.

The product of its digits is 15552, while the sum is 37.

The square root of 11824993 is about 3438.7487549980. The cubic root of 11824993 is about 227.8244326579.

The spelling of 11824993 in words is "eleven million, eight hundred twenty-four thousand, nine hundred ninety-three".