13611248 has 40 divisors (see below), whose sum is σ = 30721248. Its totient is φ = 5720832.

The previous prime is 13611229. The next prime is 13611259. The reversal of 13611248 is 84211631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790 + ... + 7082.

Almost surely, 2^13611248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13611248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15360624).

13611248 is an abundant number, since it is smaller than the sum of its proper divisors (17110000).

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

13611248 is a wasteful number, since it uses less digits than its factorization.

13611248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2355 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 13611248 is about 3689.3424888454. The cubic root of 13611248 is about 238.7624256391.

Adding to 13611248 its reverse (84211631), we get a palindrome (97822879).

The spelling of 13611248 in words is "thirteen million, six hundred eleven thousand, two hundred forty-eight".