12274427 has 4 divisors (see below), whose sum is σ = 13390296. Its totient is φ = 11158560.

The previous prime is 12274421. The next prime is 12274447. The reversal of 12274427 is 72447221.

12274427 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 12274427 - 2⁶ = 12274363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12274427.

It is not an unprimeable number, because it can be changed into a prime (12274421) 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, 557918 + ... + 557939.

It is an arithmetic number, because the mean of its divisors is an integer number (3347574).

Almost surely, 2^12274427 is an apocalyptic number.

12274427 is a deficient number, since it is larger than the sum of its proper divisors (1115869).

12274427 is a wasteful number, since it uses less digits than its factorization.

12274427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115868.

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

The square root of 12274427 is about 3503.4878335739. The cubic root of 12274427 is about 230.6749361735.

The spelling of 12274427 in words is "twelve million, two hundred seventy-four thousand, four hundred twenty-seven".