11243871 has 6 divisors (see below), whose sum is σ = 16241160. Its totient is φ = 7495908.

The previous prime is 11243867. The next prime is 11243879. The reversal of 11243871 is 17834211.

It is not a de Polignac number, because 11243871 - 2² = 11243867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624651 + ... + 624668.

It is an arithmetic number, because the mean of its divisors is an integer number (2706860).

Almost surely, 2^11243871 is an apocalyptic number.

11243871 is a deficient number, since it is larger than the sum of its proper divisors (4997289).

11243871 is a wasteful number, since it uses less digits than its factorization.

11243871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249325 (or 1249322 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11243871 is about 3353.1881844000. The cubic root of 11243871 is about 224.0295387810.

The spelling of 11243871 in words is "eleven million, two hundred forty-three thousand, eight hundred seventy-one".