13963648 has 48 divisors (see below), whose sum is σ = 28962900. Its totient is φ = 6703872.

The previous prime is 13963639. The next prime is 13963661. The reversal of 13963648 is 84636931.

It is a self number, because there is not a number n which added to its sum of digits gives 13963648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236643 + ... + 236701.

Almost surely, 2^13963648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13963648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14481450).

13963648 is an abundant number, since it is smaller than the sum of its proper divisors (14999252).

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

13963648 is an frugal number, since it uses more digits than its factorization.

13963648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 104 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 13963648 is about 3736.7964889729. The cubic root of 13963648 is about 240.8054420539.

The spelling of 13963648 in words is "thirteen million, nine hundred sixty-three thousand, six hundred forty-eight".