11197871 has 8 divisors (see below), whose sum is σ = 11376720. Its totient is φ = 11020608.

The previous prime is 11197847. The next prime is 11197873. The reversal of 11197871 is 17879111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11197871 - 2⁶ = 11197807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24275 + ... + 24731.

It is an arithmetic number, because the mean of its divisors is an integer number (1422090).

Almost surely, 2^11197871 is an apocalyptic number.

11197871 is a deficient number, since it is larger than the sum of its proper divisors (178849).

11197871 is a wasteful number, since it uses less digits than its factorization.

11197871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 3528, while the sum is 35.

The square root of 11197871 is about 3346.3220108053. The cubic root of 11197871 is about 223.7236107991.

The spelling of 11197871 in words is "eleven million, one hundred ninety-seven thousand, eight hundred seventy-one".