12080447 has 4 divisors (see below), whose sum is σ = 12716280. Its totient is φ = 11444616.

The previous prime is 12080429. The next prime is 12080459. The reversal of 12080447 is 74408021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74408021 = 97 ⋅767093.

It is a cyclic number.

It is not a de Polignac number, because 12080447 - 2²⁰ = 11031871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317888 + ... + 317925.

It is an arithmetic number, because the mean of its divisors is an integer number (3179070).

Almost surely, 2^12080447 is an apocalyptic number.

12080447 is a deficient number, since it is larger than the sum of its proper divisors (635833).

12080447 is an equidigital number, since it uses as much as digits as its factorization.

12080447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635832.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12080447 is about 3475.6937437007. The cubic root of 12080447 is about 229.4533140907.

Adding to 12080447 its reverse (74408021), we get a palindrome (86488468).

The spelling of 12080447 in words is "twelve million, eighty thousand, four hundred forty-seven".