12427207 has 4 divisors (see below), whose sum is σ = 13383160. Its totient is φ = 11471256.

The previous prime is 12427193. The next prime is 12427211. The reversal of 12427207 is 70272421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70272421 = 2099 ⋅33479.

It is a cyclic number.

It is not a de Polignac number, because 12427207 - 2¹¹ = 12425159 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 (12427237) 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 3 ways as a sum of consecutive naturals, for example, 477957 + ... + 477982.

It is an arithmetic number, because the mean of its divisors is an integer number (3345790).

Almost surely, 2^12427207 is an apocalyptic number.

12427207 is a deficient number, since it is larger than the sum of its proper divisors (955953).

12427207 is an equidigital number, since it uses as much as digits as its factorization.

12427207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955952.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 12427207 is about 3525.2243900212. The cubic root of 12427207 is about 231.6280641188.

Adding to 12427207 its reverse (70272421), we get a palindrome (82699628).

The spelling of 12427207 in words is "twelve million, four hundred twenty-seven thousand, two hundred seven".