11921933 has 2 divisors, whose sum is σ = 11921934. Its totient is φ = 11921932.

The previous prime is 11921867. The next prime is 11921957. The reversal of 11921933 is 33912911.

11921933 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 779689 = 3338^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 11921933 - 2⁸ = 11921677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11921896 and 11921905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11921633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960966 + 5960967.

It is an arithmetic number, because the mean of its divisors is an integer number (5960967).

Almost surely, 2^11921933 is an apocalyptic number.

It is an amenable number.

11921933 is a deficient number, since it is larger than the sum of its proper divisors (1).

11921933 is an equidigital number, since it uses as much as digits as its factorization.

11921933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 29.

The square root of 11921933 is about 3452.8152281870. The cubic root of 11921933 is about 228.4452990694.

It can be divided in two parts, 1192 and 1933, that added together give a 5-th power (3125 = 5⁵).

The spelling of 11921933 in words is "eleven million, nine hundred twenty-one thousand, nine hundred thirty-three".