12421274 has 4 divisors (see below), whose sum is σ = 18631914. Its totient is φ = 6210636.

The previous prime is 12421267. The next prime is 12421291. The reversal of 12421274 is 47212421.

12421274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47212421 = 67 ⋅704663.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 66049 = 3515^2 + 257^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105317 + ... + 3105320.

Almost surely, 2^12421274 is an apocalyptic number.

12421274 is a deficient number, since it is larger than the sum of its proper divisors (6210640).

12421274 is an equidigital number, since it uses as much as digits as its factorization.

12421274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210639.

The product of its digits is 896, while the sum is 23.

The square root of 12421274 is about 3524.3827828430. The cubic root of 12421274 is about 231.5911969434.

Adding to 12421274 its reverse (47212421), we get a palindrome (59633695).

The spelling of 12421274 in words is "twelve million, four hundred twenty-one thousand, two hundred seventy-four".