11868271 has 4 divisors (see below), whose sum is σ = 11876472. Its totient is φ = 11860072.

The previous prime is 11868251. The next prime is 11868281. The reversal of 11868271 is 17286811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11868271 - 2¹⁵ = 11835503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (2969118).

Almost surely, 2^11868271 is an apocalyptic number.

11868271 is a deficient number, since it is larger than the sum of its proper divisors (8201).

11868271 is an equidigital number, since it uses as much as digits as its factorization.

11868271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200.

The product of its digits is 5376, while the sum is 34.

The square root of 11868271 is about 3445.0357037337. The cubic root of 11868271 is about 228.1020306141.

The spelling of 11868271 in words is "eleven million, eight hundred sixty-eight thousand, two hundred seventy-one".