13308244 has 6 divisors (see below), whose sum is σ = 23289434. Its totient is φ = 6654120.

The previous prime is 13308241. The next prime is 13308257. The reversal of 13308244 is 44280331.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 1488400 = 3438^2 + 1220^2 .

It is a super-3 number, since 3×13308244³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13308241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663527 + ... + 1663534.

Almost surely, 2^13308244 is an apocalyptic number.

It is an amenable number.

13308244 is a deficient number, since it is larger than the sum of its proper divisors (9981190).

13308244 is a wasteful number, since it uses less digits than its factorization.

13308244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327065 (or 3327063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 13308244 is about 3648.0466005795. The cubic root of 13308244 is about 236.9773934415.

Adding to 13308244 its reverse (44280331), we get a palindrome (57588575).

The spelling of 13308244 in words is "thirteen million, three hundred eight thousand, two hundred forty-four".