11983271 has 4 divisors (see below), whose sum is σ = 12056952. Its totient is φ = 11909592.

The previous prime is 11983259. The next prime is 11983277. The reversal of 11983271 is 17238911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17238911 = 211 ⋅81701.

It is a cyclic number.

It is not a de Polignac number, because 11983271 - 2¹⁰ = 11982247 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 (11983277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36596 + ... + 36921.

It is an arithmetic number, because the mean of its divisors is an integer number (3014238).

Almost surely, 2^11983271 is an apocalyptic number.

11983271 is a deficient number, since it is larger than the sum of its proper divisors (73681).

11983271 is an equidigital number, since it uses as much as digits as its factorization.

11983271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73680.

The product of its digits is 3024, while the sum is 32.

The square root of 11983271 is about 3461.6861498409. The cubic root of 11983271 is about 228.8364105644.

The spelling of 11983271 in words is "eleven million, nine hundred eighty-three thousand, two hundred seventy-one".