11333921 has 8 divisors (see below), whose sum is σ = 11595360. Its totient is φ = 11075328.

The previous prime is 11333887. The next prime is 11333923. The reversal of 11333921 is 12933311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11333921 - 2⁶ = 11333857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11333923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705 + ... + 9921.

It is an arithmetic number, because the mean of its divisors is an integer number (1449420).

Almost surely, 2^11333921 is an apocalyptic number.

It is an amenable number.

11333921 is a deficient number, since it is larger than the sum of its proper divisors (261439).

11333921 is a wasteful number, since it uses less digits than its factorization.

11333921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its digits is 486, while the sum is 23.

The square root of 11333921 is about 3366.5889264952. The cubic root of 11333921 is about 224.6260190659.

The spelling of 11333921 in words is "eleven million, three hundred thirty-three thousand, nine hundred twenty-one".