13618648 has 16 divisors (see below), whose sum is σ = 25578000. Its totient is φ = 6797856.

The previous prime is 13618613. The next prime is 13618667. The reversal of 13618648 is 84681631.

It is a congruent number.

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, 5698 + ... + 7726.

It is an arithmetic number, because the mean of its divisors is an integer number (1598625).

Almost surely, 2^13618648 is an apocalyptic number.

It is an amenable number.

13618648 is a deficient number, since it is larger than the sum of its proper divisors (11959352).

13618648 is a wasteful number, since it uses less digits than its factorization.

13618648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2870 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 13618648 is about 3690.3452413020. The cubic root of 13618648 is about 238.8056869638.

The spelling of 13618648 in words is "thirteen million, six hundred eighteen thousand, six hundred forty-eight".