11327921 has 8 divisors (see below), whose sum is σ = 12527904. Its totient is φ = 10156320.

The previous prime is 11327917. The next prime is 11327929. The reversal of 11327921 is 12972311.

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 11327921 - 2² = 11327917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11327929) 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 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 7856.

It is an arithmetic number, because the mean of its divisors is an integer number (1565988).

Almost surely, 2^11327921 is an apocalyptic number.

11327921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11327921 is a deficient number, since it is larger than the sum of its proper divisors (1199983).

11327921 is a wasteful number, since it uses less digits than its factorization.

11327921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191.

The product of its digits is 756, while the sum is 26.

The square root of 11327921 is about 3365.6976988434. The cubic root of 11327921 is about 224.5863742389.

The spelling of 11327921 in words is "eleven million, three hundred twenty-seven thousand, nine hundred twenty-one".