12427497 has 12 divisors (see below), whose sum is σ = 18530304. Its totient is φ = 8017560.

The previous prime is 12427489. The next prime is 12427511. The reversal of 12427497 is 79472421.

12427497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12427497 - 2³ = 12427489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12427487) 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 11 ways as a sum of consecutive naturals, for example, 21993 + ... + 22550.

It is an arithmetic number, because the mean of its divisors is an integer number (1544192).

Almost surely, 2^12427497 is an apocalyptic number.

It is an amenable number.

12427497 is a deficient number, since it is larger than the sum of its proper divisors (6102807).

12427497 is a wasteful number, since it uses less digits than its factorization.

12427497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44580 (or 44577 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12427497 is about 3525.2655219146. The cubic root of 12427497 is about 231.6298658542.

The spelling of 12427497 in words is "twelve million, four hundred twenty-seven thousand, four hundred ninety-seven".