11713321 has 2 divisors, whose sum is σ = 11713322. Its totient is φ = 11713320.

The previous prime is 11713313. The next prime is 11713369. The reversal of 11713321 is 12331711.

11713321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11634921 + 78400 = 3411^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 11713321 - 2³ = 11713313 is a prime.

It is not a weakly prime, because it can be changed into another prime (11713301) 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 as a sum of consecutive naturals, namely, 5856660 + 5856661.

It is an arithmetic number, because the mean of its divisors is an integer number (5856661).

Almost surely, 2^11713321 is an apocalyptic number.

It is an amenable number.

11713321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11713321 is an equidigital number, since it uses as much as digits as its factorization.

11713321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 19.

The square root of 11713321 is about 3422.4729363430. The cubic root of 11713321 is about 227.1049926053.

The spelling of 11713321 in words is "eleven million, seven hundred thirteen thousand, three hundred twenty-one".