12447234 has 24 divisors (see below), whose sum is σ = 27250860. Its totient is φ = 4105728.

The previous prime is 12447221. The next prime is 12447269. The reversal of 12447234 is 43274421.

It can be written as a sum of positive squares in 2 ways, for example, as 12425625 + 21609 = 3525^2 + 147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12447198 and 12447207.

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 in 11 ways as a sum of consecutive naturals, for example, 1819 + ... + 5310.

Almost surely, 2^12447234 is an apocalyptic number.

12447234 is an abundant number, since it is smaller than the sum of its proper divisors (14803626).

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

12447234 is a wasteful number, since it uses less digits than its factorization.

12447234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7234 (or 7231 counting only the distinct ones).

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

The square root of 12447234 is about 3528.0637749338. The cubic root of 12447234 is about 231.7524236680.

The spelling of 12447234 in words is "twelve million, four hundred forty-seven thousand, two hundred thirty-four".