11633983 has 4 divisors (see below), whose sum is σ = 11661408. Its totient is φ = 11606560.

The previous prime is 11633971. The next prime is 11634011. The reversal of 11633983 is 38933611.

11633983 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 11633983 - 2⁹ = 11633471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11633183) 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, 13066 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (2915352).

Almost surely, 2^11633983 is an apocalyptic number.

11633983 is a deficient number, since it is larger than the sum of its proper divisors (27425).

11633983 is an equidigital number, since it uses as much as digits as its factorization.

11633983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27424.

The product of its digits is 11664, while the sum is 34.

The square root of 11633983 is about 3410.8625008933. The cubic root of 11633983 is about 226.5910794197.

The spelling of 11633983 in words is "eleven million, six hundred thirty-three thousand, nine hundred eighty-three".