11397171 has 8 divisors (see below), whose sum is σ = 15519744. Its totient is φ = 7436360.

The previous prime is 11397163. The next prime is 11397223. The reversal of 11397171 is 17179311.

It is a happy number.

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 11397171 - 2³ = 11397163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11397371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40275 + ... + 40556.

It is an arithmetic number, because the mean of its divisors is an integer number (1939968).

Almost surely, 2^11397171 is an apocalyptic number.

11397171 is a deficient number, since it is larger than the sum of its proper divisors (4122573).

11397171 is an equidigital number, since it uses as much as digits as its factorization.

11397171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80881.

The product of its digits is 1323, while the sum is 30.

The square root of 11397171 is about 3375.9696384891. The cubic root of 11397171 is about 225.0430929807.

The spelling of 11397171 in words is "eleven million, three hundred ninety-seven thousand, one hundred seventy-one".