12947648 has 28 divisors (see below), whose sum is σ = 29364432. Its totient is φ = 5548800.

The previous prime is 12947639. The next prime is 12947651. The reversal of 12947648 is 84674921.

It is a tau number, because it is divible by the number of its divisors (28).

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, 14003 + ... + 14898.

Almost surely, 2^12947648 is an apocalyptic number.

It is an amenable number.

12947648 is an abundant number, since it is smaller than the sum of its proper divisors (16416784).

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

12947648 is an equidigital number, since it uses as much as digits as its factorization.

12947648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28920 (or 28910 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 12947648 is about 3598.2840354814. The cubic root of 12947648 is about 234.8174106061.

The spelling of 12947648 in words is "twelve million, nine hundred forty-seven thousand, six hundred forty-eight".