11728313 has 2 divisors, whose sum is σ = 11728314. Its totient is φ = 11728312.

The previous prime is 11728309. The next prime is 11728319. The reversal of 11728313 is 31382711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8602489 + 3125824 = 2933^2 + 1768^2 .

It is an emirp because it is prime and its reverse (31382711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11728313 - 2² = 11728309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11728319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5864156 + 5864157.

It is an arithmetic number, because the mean of its divisors is an integer number (5864157).

Almost surely, 2^11728313 is an apocalyptic number.

It is an amenable number.

11728313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11728313 is an equidigital number, since it uses as much as digits as its factorization.

11728313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 11728313 is about 3424.6624651197. The cubic root of 11728313 is about 227.2018426357.

The spelling of 11728313 in words is "eleven million, seven hundred twenty-eight thousand, three hundred thirteen".