12097147 has 16 divisors (see below), whose sum is σ = 13068000. Its totient is φ = 11176704.

The previous prime is 12097123. The next prime is 12097159. The reversal of 12097147 is 74179021.

It is a cyclic number.

It is not a de Polignac number, because 12097147 - 2²³ = 3708539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12097177) 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, 110929 + ... + 111037.

It is an arithmetic number, because the mean of its divisors is an integer number (816750).

It is a vampire number, since it can be written as 1247 ⋅ 9701 (with its own digits).

Almost surely, 2^12097147 is an apocalyptic number.

12097147 is a deficient number, since it is larger than the sum of its proper divisors (970853).

12097147 is a wasteful number, since it uses less digits than its factorization.

12097147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12097147 is about 3478.0953120925. The cubic root of 12097147 is about 229.5589974311.

The spelling of 12097147 in words is "twelve million, ninety-seven thousand, one hundred forty-seven".