13206244 has 6 divisors (see below), whose sum is σ = 23110934. Its totient is φ = 6603120.

The previous prime is 13206233. The next prime is 13206253. The reversal of 13206244 is 44260231.

It is a happy number.

13206244 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 518400 = 3562^2 + 720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650777 + ... + 1650784.

Almost surely, 2^13206244 is an apocalyptic number.

It is an amenable number.

13206244 is a deficient number, since it is larger than the sum of its proper divisors (9904690).

13206244 is a wasteful number, since it uses less digits than its factorization.

13206244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301565 (or 3301563 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 13206244 is about 3634.0396255407. The cubic root of 13206244 is about 236.3704084665.

Adding to 13206244 its reverse (44260231), we get a palindrome (57466475).

The spelling of 13206244 in words is "thirteen million, two hundred six thousand, two hundred forty-four".