12447334 has 4 divisors (see below), whose sum is σ = 18671004. Its totient is φ = 6223666.

The previous prime is 12447329. The next prime is 12447343. The reversal of 12447334 is 43374421.

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

It is a super-2 number, since 2×12447334² = 309872247415112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111832 + ... + 3111835.

It is an arithmetic number, because the mean of its divisors is an integer number (4667751).

Almost surely, 2^12447334 is an apocalyptic number.

12447334 is a deficient number, since it is larger than the sum of its proper divisors (6223670).

12447334 is an equidigital number, since it uses as much as digits as its factorization.

12447334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223669.

The product of its digits is 8064, while the sum is 28.

The square root of 12447334 is about 3528.0779469847. The cubic root of 12447334 is about 231.7530442927.

The spelling of 12447334 in words is "twelve million, four hundred forty-seven thousand, three hundred thirty-four".