13917648 has 20 divisors (see below), whose sum is σ = 35954048. Its totient is φ = 4639200.

The previous prime is 13917637. The next prime is 13917703. The reversal of 13917648 is 84671931.

13917648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 144928 + ... + 145023.

Almost surely, 2^13917648 is an apocalyptic number.

It is an amenable number.

13917648 is an abundant number, since it is smaller than the sum of its proper divisors (22036400).

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

13917648 is a wasteful number, since it uses less digits than its factorization.

13917648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289962 (or 289956 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 13917648 is about 3730.6364068346. The cubic root of 13917648 is about 240.5407252636.

The spelling of 13917648 in words is "thirteen million, nine hundred seventeen thousand, six hundred forty-eight".