11240321 has 8 divisors (see below), whose sum is σ = 11764224. Its totient is φ = 10726560.

The previous prime is 11240309. The next prime is 11240323. The reversal of 11240321 is 12304211.

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 11240321 - 2¹⁴ = 11223937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11240296 and 11240305.

It is not an unprimeable number, because it can be changed into a prime (11240323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (1470528).

Almost surely, 2^11240321 is an apocalyptic number.

It is an amenable number.

11240321 is a deficient number, since it is larger than the sum of its proper divisors (523903).

11240321 is an equidigital number, since it uses as much as digits as its factorization.

11240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11240321 is about 3352.6587956426. The cubic root of 11240321 is about 224.0059588657.

Adding to 11240321 its reverse (12304211), we get a palindrome (23544532).

The spelling of 11240321 in words is "eleven million, two hundred forty thousand, three hundred twenty-one".