13247648 has 24 divisors (see below), whose sum is σ = 26243028. Its totient is φ = 6582784.

The previous prime is 13247627. The next prime is 13247657. The reversal of 13247648 is 84674231.

It can be written as a sum of positive squares in 2 ways, for example, as 13162384 + 85264 = 3628^2 + 292^2 .

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, 4340 + ... + 6732.

Almost surely, 2^13247648 is an apocalyptic number.

It is an amenable number.

13247648 is a deficient number, since it is larger than the sum of its proper divisors (12995380).

13247648 is a wasteful number, since it uses less digits than its factorization.

13247648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2568 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 13247648 is about 3639.7318582555. The cubic root of 13247648 is about 236.6171723077.

The spelling of 13247648 in words is "thirteen million, two hundred forty-seven thousand, six hundred forty-eight".