13281248 has 12 divisors (see below), whose sum is σ = 26147520. Its totient is φ = 6640608.

The previous prime is 13281241. The next prime is 13281251. The reversal of 13281248 is 84218231.

13281248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13281248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207488 + ... + 207551.

It is an arithmetic number, because the mean of its divisors is an integer number (2178960).

Almost surely, 2^13281248 is an apocalyptic number.

It is an amenable number.

13281248 is a deficient number, since it is larger than the sum of its proper divisors (12866272).

13281248 is an equidigital number, since it uses as much as digits as its factorization.

13281248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415049 (or 415041 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 13281248 is about 3644.3446598806. The cubic root of 13281248 is about 236.8170474092.

Adding to 13281248 its reverse (84218231), we get a palindrome (97499479).

The spelling of 13281248 in words is "thirteen million, two hundred eighty-one thousand, two hundred forty-eight".