11913833 has 4 divisors (see below), whose sum is σ = 11987088. Its totient is φ = 11840580.

The previous prime is 11913823. The next prime is 11913841. The reversal of 11913833 is 33831911.

11913833 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11913833 - 2¹⁴ = 11897449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11913796 and 11913805.

It is not an unprimeable number, because it can be changed into a prime (11913823) 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, 36383 + ... + 36708.

It is an arithmetic number, because the mean of its divisors is an integer number (2996772).

Almost surely, 2^11913833 is an apocalyptic number.

It is an amenable number.

11913833 is a deficient number, since it is larger than the sum of its proper divisors (73255).

11913833 is an equidigital number, since it uses as much as digits as its factorization.

11913833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73254.

The product of its digits is 1944, while the sum is 29.

The square root of 11913833 is about 3451.6420729850. The cubic root of 11913833 is about 228.3935505779.

The spelling of 11913833 in words is "eleven million, nine hundred thirteen thousand, eight hundred thirty-three".