13289736 has 32 divisors (see below), whose sum is σ = 33445440. Its totient is φ = 4400448.

The previous prime is 13289719. The next prime is 13289737. The reversal of 13289736 is 63798231.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13289694 and 13289703.

It is not an unprimeable number, because it can be changed into a prime (13289737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (1045170).

Almost surely, 2^13289736 is an apocalyptic number.

It is an amenable number.

13289736 is an abundant number, since it is smaller than the sum of its proper divisors (20155704).

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

13289736 is a wasteful number, since it uses less digits than its factorization.

13289736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693 (or 3689 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 13289736 is about 3645.5090179562. The cubic root of 13289736 is about 236.8674863196.

The spelling of 13289736 in words is "thirteen million, two hundred eighty-nine thousand, seven hundred thirty-six".