12647044 has 12 divisors (see below), whose sum is σ = 22730764. Its totient is φ = 6152544.

The previous prime is 12647029. The next prime is 12647051. The reversal of 12647044 is 44074621.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 2214144 = 3230^2 + 1488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42579 + ... + 42874.

Almost surely, 2^12647044 is an apocalyptic number.

It is an amenable number.

12647044 is a deficient number, since it is larger than the sum of its proper divisors (10083720).

12647044 is a wasteful number, since it uses less digits than its factorization.

12647044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85494 (or 85492 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 12647044 is about 3556.2682688459. The cubic root of 12647044 is about 232.9859201768.

The spelling of 12647044 in words is "twelve million, six hundred forty-seven thousand, forty-four".