11866271 has 2 divisors, whose sum is σ = 11866272. Its totient is φ = 11866270.

The previous prime is 11866259. The next prime is 11866313. The reversal of 11866271 is 17266811.

It is a happy number.

11866271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11866271 - 2²² = 7671967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11866201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933135 + 5933136.

It is an arithmetic number, because the mean of its divisors is an integer number (5933136).

Almost surely, 2^11866271 is an apocalyptic number.

11866271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11866271 is an equidigital number, since it uses as much as digits as its factorization.

11866271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 11866271 is about 3444.7454187501. The cubic root of 11866271 is about 228.0892169057.

The spelling of 11866271 in words is "eleven million, eight hundred sixty-six thousand, two hundred seventy-one".