11992843 has 4 divisors (see below), whose sum is σ = 12080520. Its totient is φ = 11905168.

The previous prime is 11992831. The next prime is 11992853. The reversal of 11992843 is 34829911.

11992843 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11992843 - 2⁵ = 11992811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11992853) 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, 43633 + ... + 43906.

It is an arithmetic number, because the mean of its divisors is an integer number (3020130).

Almost surely, 2^11992843 is an apocalyptic number.

11992843 is a deficient number, since it is larger than the sum of its proper divisors (87677).

11992843 is an equidigital number, since it uses as much as digits as its factorization.

11992843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87676.

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

The square root of 11992843 is about 3463.0684370945. The cubic root of 11992843 is about 228.8973243488.

It can be divided in two parts, 11992 and 843, that multiplied together give a triangular number (10109256 = T₄₄₉₆).

The spelling of 11992843 in words is "eleven million, nine hundred ninety-two thousand, eight hundred forty-three".