11397147 has 8 divisors (see below), whose sum is σ = 15607056. Its totient is φ = 7392672.

The previous prime is 11397103. The next prime is 11397163. The reversal of 11397147 is 74179311.

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

It is not a de Polignac number, because 11397147 - 2⁶ = 11397083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11397047) 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, 51228 + ... + 51449.

It is an arithmetic number, because the mean of its divisors is an integer number (1950882).

Almost surely, 2^11397147 is an apocalyptic number.

11397147 is a deficient number, since it is larger than the sum of its proper divisors (4209909).

11397147 is a wasteful number, since it uses less digits than its factorization.

11397147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102717.

The product of its digits is 5292, while the sum is 33.

The square root of 11397147 is about 3375.9660839529. The cubic root of 11397147 is about 225.0429350164.

The spelling of 11397147 in words is "eleven million, three hundred ninety-seven thousand, one hundred forty-seven".