11440321 has 2 divisors, whose sum is σ = 11440322. Its totient is φ = 11440320.

The previous prime is 11440307. The next prime is 11440339. The reversal of 11440321 is 12304411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 318096 = 3335^2 + 564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11440321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11440295 and 11440304.

It is not a weakly prime, because it can be changed into another prime (11440391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720160 + 5720161.

It is an arithmetic number, because the mean of its divisors is an integer number (5720161).

Almost surely, 2^11440321 is an apocalyptic number.

It is an amenable number.

11440321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11440321 is an equidigital number, since it uses as much as digits as its factorization.

11440321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11440321 is about 3382.3543575445. The cubic root of 11440321 is about 225.3267417416.

Adding to 11440321 its reverse (12304411), we get a palindrome (23744732).

The spelling of 11440321 in words is "eleven million, four hundred forty thousand, three hundred twenty-one".