11538197 has 12 divisors (see below), whose sum is σ = 12780768. Its totient is φ = 10408200.

The previous prime is 11538181. The next prime is 11538199. The reversal of 11538197 is 79183511.

It is not a de Polignac number, because 11538197 - 2⁴ = 11538181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19922 + ... + 20492.

It is an arithmetic number, because the mean of its divisors is an integer number (1065064).

Almost surely, 2^11538197 is an apocalyptic number.

It is an amenable number.

11538197 is a deficient number, since it is larger than the sum of its proper divisors (1242571).

11538197 is a wasteful number, since it uses less digits than its factorization.

11538197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 749 counting only the distinct ones).

The product of its digits is 7560, while the sum is 35.

The square root of 11538197 is about 3396.7921632034. The cubic root of 11538197 is about 225.9675012658.

The spelling of 11538197 in words is "eleven million, five hundred thirty-eight thousand, one hundred ninety-seven".