11456309 has 2 divisors, whose sum is σ = 11456310. Its totient is φ = 11456308.

The previous prime is 11456299. The next prime is 11456327. The reversal of 11456309 is 90365411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 334084 = 3335^2 + 578^2 .

It is an emirp because it is prime and its reverse (90365411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11456309 - 2¹² = 11452213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11456399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728154 + 5728155.

It is an arithmetic number, because the mean of its divisors is an integer number (5728155).

Almost surely, 2^11456309 is an apocalyptic number.

It is an amenable number.

11456309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11456309 is an equidigital number, since it uses as much as digits as its factorization.

11456309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 11456309 is about 3384.7169748740. The cubic root of 11456309 is about 225.4316585837.

The spelling of 11456309 in words is "eleven million, four hundred fifty-six thousand, three hundred nine".