12947384 has 16 divisors (see below), whose sum is σ = 24316200. Its totient is φ = 6463072.

The previous prime is 12947381. The next prime is 12947401. The reversal of 12947384 is 48374921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947381) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6722 + ... + 8430.

Almost surely, 2^12947384 is an apocalyptic number.

It is an amenable number.

12947384 is a deficient number, since it is larger than the sum of its proper divisors (11368816).

12947384 is a wasteful number, since it uses less digits than its factorization.

12947384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2658 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 12947384 is about 3598.2473511419. The cubic root of 12947384 is about 234.8158146350.

It can be divided in two parts, 12947 and 384, that added together give a palindrome (13331).

The spelling of 12947384 in words is "twelve million, nine hundred forty-seven thousand, three hundred eighty-four".