11504321 has 2 divisors, whose sum is σ = 11504322. Its totient is φ = 11504320.

The previous prime is 11504309. The next prime is 11504333. The reversal of 11504321 is 12340511.

11504321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11504309) and next prime (11504333).

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 3748096 = 2785^2 + 1936^2 .

It is a cyclic number.

It is not a de Polignac number, because 11504321 - 2¹⁸ = 11242177 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11504321.

It is not a weakly prime, because it can be changed into another prime (11504341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752160 + 5752161.

It is an arithmetic number, because the mean of its divisors is an integer number (5752161).

Almost surely, 2^11504321 is an apocalyptic number.

It is an amenable number.

11504321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11504321 is an equidigital number, since it uses as much as digits as its factorization.

11504321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11504321 is about 3391.8020284209. The cubic root of 11504321 is about 225.7461385793.

Adding to 11504321 its reverse (12340511), we get a palindrome (23844832).

The spelling of 11504321 in words is "eleven million, five hundred four thousand, three hundred twenty-one".