12243474 has 20 divisors (see below), whose sum is σ = 27434814. Its totient is φ = 4081104.

The previous prime is 12243457. The next prime is 12243541. The reversal of 12243474 is 47434221.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 731025 = 3393^2 + 855^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37627 + ... + 37950.

Almost surely, 2^12243474 is an apocalyptic number.

12243474 is an abundant number, since it is smaller than the sum of its proper divisors (15191340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243474 is an equidigital number, since it uses as much as digits as its factorization.

12243474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75591 (or 75582 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 12243474 is about 3499.0675900874. The cubic root of 12243474 is about 230.4808716754.

Adding to 12243474 its reverse (47434221), we get a palindrome (59677695).

The spelling of 12243474 in words is "twelve million, two hundred forty-three thousand, four hundred seventy-four".