13347648 has 42 divisors (see below), whose sum is σ = 38260274. Its totient is φ = 4449024.

The previous prime is 13347647. The next prime is 13347661. The reversal of 13347648 is 84674331.

13347648 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 7 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 5992704 = 2712^2 + 2448^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13347641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11011 + ... + 12162.

Almost surely, 2^13347648 is an apocalyptic number.

13347648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13347648 is an abundant number, since it is smaller than the sum of its proper divisors (24912626).

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

13347648 is a wasteful number, since it uses less digits than its factorization.

13347648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23191 (or 23178 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 13347648 is about 3653.4433073472. The cubic root of 13347648 is about 237.2110495191.

The spelling of 13347648 in words is "thirteen million, three hundred forty-seven thousand, six hundred forty-eight".