11866313 has 2 divisors, whose sum is σ = 11866314. Its totient is φ = 11866312.

The previous prime is 11866271. The next prime is 11866319. The reversal of 11866313 is 31366811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 2050624 = 3133^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 11866313 - 2¹⁰ = 11865289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11866319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933156 + 5933157.

It is an arithmetic number, because the mean of its divisors is an integer number (5933157).

Almost surely, 2^11866313 is an apocalyptic number.

It is an amenable number.

11866313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11866313 is an equidigital number, since it uses as much as digits as its factorization.

11866313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 11866313 is about 3444.7515149862. The cubic root of 11866313 is about 228.0894860084.

The spelling of 11866313 in words is "eleven million, eight hundred sixty-six thousand, three hundred thirteen".