12947504 has 20 divisors (see below), whose sum is σ = 25258800. Its totient is φ = 6429120.

The previous prime is 12947497. The next prime is 12947507. The reversal of 12947504 is 40574921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12947507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (1262940).

Almost surely, 2^12947504 is an apocalyptic number.

It is an amenable number.

12947504 is a deficient number, since it is larger than the sum of its proper divisors (12311296).

12947504 is a wasteful number, since it uses less digits than its factorization.

12947504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 5582 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12947504 is about 3598.2640258880. The cubic root of 12947504 is about 234.8165400791.

The spelling of 12947504 in words is "twelve million, nine hundred forty-seven thousand, five hundred four".