12427274 has 4 divisors (see below), whose sum is σ = 18640914. Its totient is φ = 6213636.

The previous prime is 12427237. The next prime is 12427277. The reversal of 12427274 is 47272421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 351649 = 3475^2 + 593^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12427277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106817 + ... + 3106820.

Almost surely, 2^12427274 is an apocalyptic number.

12427274 is a deficient number, since it is larger than the sum of its proper divisors (6213640).

12427274 is an equidigital number, since it uses as much as digits as its factorization.

12427274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213639.

The product of its digits is 6272, while the sum is 29.

The square root of 12427274 is about 3525.2338929495. The cubic root of 12427274 is about 231.6284803843.

Adding to 12427274 its reverse (47272421), we get a palindrome (59699695).

The spelling of 12427274 in words is "twelve million, four hundred twenty-seven thousand, two hundred seventy-four".