11131197 has 16 divisors (see below), whose sum is σ = 18504192. Its totient is φ = 5782320.

The previous prime is 11131187. The next prime is 11131229. The reversal of 11131197 is 79113111.

It is not a de Polignac number, because 11131197 - 2⁴ = 11131181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23863 + ... + 24324.

It is an arithmetic number, because the mean of its divisors is an integer number (1156512).

Almost surely, 2^11131197 is an apocalyptic number.

It is an amenable number.

11131197 is a deficient number, since it is larger than the sum of its proper divisors (7372995).

11131197 is a wasteful number, since it uses less digits than its factorization.

11131197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48208.

The product of its digits is 189, while the sum is 24.

The square root of 11131197 is about 3336.3448562761. The cubic root of 11131197 is about 223.2786973105.

The spelling of 11131197 in words is "eleven million, one hundred thirty-one thousand, one hundred ninety-seven".