12447097 has 8 divisors (see below), whose sum is σ = 13443080. Its totient is φ = 11456640.

The previous prime is 12447079. The next prime is 12447107. The reversal of 12447097 is 79074421.

It can be written as a sum of positive squares in 4 ways, for example, as 3059001 + 9388096 = 1749^2 + 3064^2 .

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

It is not a de Polignac number, because 12447097 - 2¹⁵ = 12414329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12447007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4147 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (1680385).

Almost surely, 2^12447097 is an apocalyptic number.

It is an amenable number.

12447097 is a deficient number, since it is larger than the sum of its proper divisors (995983).

12447097 is a wasteful number, since it uses less digits than its factorization.

12447097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 12447097 is about 3528.0443591316. The cubic root of 12447097 is about 231.7515734069.

The spelling of 12447097 in words is "twelve million, four hundred forty-seven thousand, ninety-seven".