13996656 has 90 divisors (see below), whose sum is σ = 40825512. Its totient is φ = 4475520.

The previous prime is 13996651. The next prime is 13996669. The reversal of 13996656 is 65669931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13996651) 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 17 ways as a sum of consecutive naturals, for example, 197101 + ... + 197171.

Almost surely, 2^13996656 is an apocalyptic number.

13996656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13996656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20412756).

13996656 is an abundant number, since it is smaller than the sum of its proper divisors (26828856).

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

13996656 is a wasteful number, since it uses less digits than its factorization.

13996656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 113 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 13996656 is about 3741.2104992903. The cubic root of 13996656 is about 240.9950355663.

The spelling of 13996656 in words is "thirteen million, nine hundred ninety-six thousand, six hundred fifty-six".