13732656 has 80 divisors (see below), whose sum is σ = 42330624. Its totient is φ = 3750912.

The previous prime is 13732643. The next prime is 13732657. The reversal of 13732656 is 65623731.

It is not an unprimeable number, because it can be changed into a prime (13732657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6840 + ... + 8616.

Almost surely, 2^13732656 is an apocalyptic number.

13732656 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 13732656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21165312).

13732656 is an abundant number, since it is smaller than the sum of its proper divisors (28597968).

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

13732656 is a wasteful number, since it uses less digits than its factorization.

13732656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1812 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 13732656 is about 3705.7598411122. The cubic root of 13732656 is about 239.4702203055.

The spelling of 13732656 in words is "thirteen million, seven hundred thirty-two thousand, six hundred fifty-six".