13656448 has 64 divisors (see below), whose sum is σ = 30416400. Its totient is φ = 6064128.

The previous prime is 13656443. The next prime is 13656449. The reversal of 13656448 is 84465631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48115 + ... + 48397.

Almost surely, 2^13656448 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 13656448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15208200).

13656448 is an abundant number, since it is smaller than the sum of its proper divisors (16759952).

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

13656448 is a wasteful number, since it uses less digits than its factorization.

13656448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 327 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 13656448 is about 3695.4631644761. The cubic root of 13656448 is about 239.0264263538.

The spelling of 13656448 in words is "thirteen million, six hundred fifty-six thousand, four hundred forty-eight".