11892993 has 32 divisors (see below), whose sum is σ = 19568640. Its totient is φ = 6272640.

The previous prime is 11892989. The next prime is 11893009. The reversal of 11892993 is 39929811.

It is not a de Polignac number, because 11892993 - 2² = 11892989 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11892953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15996 + ... + 16722.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^11892993 is an apocalyptic number.

It is an amenable number.

11892993 is a deficient number, since it is larger than the sum of its proper divisors (7675647).

11892993 is a wasteful number, since it uses less digits than its factorization.

11892993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its digits is 34992, while the sum is 42.

The square root of 11892993 is about 3448.6218986720. The cubic root of 11892993 is about 228.2603021214.

The spelling of 11892993 in words is "eleven million, eight hundred ninety-two thousand, nine hundred ninety-three".