12274774 has 4 divisors (see below), whose sum is σ = 18412164. Its totient is φ = 6137386.

The previous prime is 12274763. The next prime is 12274793. The reversal of 12274774 is 47747221.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3068692 + ... + 3068695.

It is an arithmetic number, because the mean of its divisors is an integer number (4603041).

Almost surely, 2^12274774 is an apocalyptic number.

12274774 is a deficient number, since it is larger than the sum of its proper divisors (6137390).

12274774 is an equidigital number, since it uses as much as digits as its factorization.

12274774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137389.

The product of its digits is 21952, while the sum is 34.

The square root of 12274774 is about 3503.5373553025. The cubic root of 12274774 is about 230.6771098921.

The spelling of 12274774 in words is "twelve million, two hundred seventy-four thousand, seven hundred seventy-four".