13289732 has 6 divisors (see below), whose sum is σ = 23257038. Its totient is φ = 6644864.

The previous prime is 13289719. The next prime is 13289737. The reversal of 13289732 is 23798231.

It can be written as a sum of positive squares in only one way, i.e., 12859396 + 430336 = 3586^2 + 656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13289692 and 13289701.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1661213 + ... + 1661220.

It is an arithmetic number, because the mean of its divisors is an integer number (3876173).

Almost surely, 2^13289732 is an apocalyptic number.

It is an amenable number.

13289732 is a deficient number, since it is larger than the sum of its proper divisors (9967306).

13289732 is a wasteful number, since it uses less digits than its factorization.

13289732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322437 (or 3322435 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 13289732 is about 3645.5084693359. The cubic root of 13289732 is about 236.8674625551.

The spelling of 13289732 in words is "thirteen million, two hundred eighty-nine thousand, seven hundred thirty-two".