11887833 has 4 divisors (see below), whose sum is σ = 15850448. Its totient is φ = 7925220.

The previous prime is 11887793. The next prime is 11887891. The reversal of 11887833 is 33878811.

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.

It is not a de Polignac number, because 11887833 - 2⁶ = 11887769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11887791 and 11887800.

It is not an unprimeable number, because it can be changed into a prime (11887133) 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, 1981303 + ... + 1981308.

It is an arithmetic number, because the mean of its divisors is an integer number (3962612).

Almost surely, 2^11887833 is an apocalyptic number.

It is an amenable number.

11887833 is a deficient number, since it is larger than the sum of its proper divisors (3962615).

11887833 is an equidigital number, since it uses as much as digits as its factorization.

11887833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962614.

The product of its digits is 32256, while the sum is 39.

The square root of 11887833 is about 3447.8736925821. The cubic root of 11887833 is about 228.2272856626.

It can be divided in two parts, 11887 and 833, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 11887833 in words is "eleven million, eight hundred eighty-seven thousand, eight hundred thirty-three".