13606736 has 80 divisors (see below), whose sum is σ = 32706240. Its totient is φ = 5391360.

The previous prime is 13606729. The next prime is 13606739. The reversal of 13606736 is 63760631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13606739) 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, 43316 + ... + 43628.

It is an arithmetic number, because the mean of its divisors is an integer number (408828).

Almost surely, 2^13606736 is an apocalyptic number.

13606736 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 13606736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16353120).

13606736 is an abundant number, since it is smaller than the sum of its proper divisors (19099504).

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

13606736 is a wasteful number, since it uses less digits than its factorization.

13606736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 13606736 is about 3688.7309470874. The cubic root of 13606736 is about 238.7360402280.

The spelling of 13606736 in words is "thirteen million, six hundred six thousand, seven hundred thirty-six".