11657273 has 2 divisors, whose sum is σ = 11657274. Its totient is φ = 11657272.

The previous prime is 11657249. The next prime is 11657281. The reversal of 11657273 is 37275611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6697744 + 4959529 = 2588^2 + 2227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11657273 is a prime.

It is not a weakly prime, because it can be changed into another prime (11657293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828636 + 5828637.

It is an arithmetic number, because the mean of its divisors is an integer number (5828637).

Almost surely, 2^11657273 is an apocalyptic number.

It is an amenable number.

11657273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657273 is an equidigital number, since it uses as much as digits as its factorization.

11657273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 11657273 is about 3414.2748864144. The cubic root of 11657273 is about 226.7421824030.

The spelling of 11657273 in words is "eleven million, six hundred fifty-seven thousand, two hundred seventy-three".