13206648 has 64 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 3482496.

The previous prime is 13206631. The next prime is 13206679. The reversal of 13206648 is 84660231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (635040).

Almost surely, 2^13206648 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 13206648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

13206648 is an abundant number, since it is smaller than the sum of its proper divisors (27435912).

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

13206648 is a wasteful number, since it uses less digits than its factorization.

13206648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076 (or 6072 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 13206648 is about 3634.0952106405. The cubic root of 13206648 is about 236.3728187575.

Adding to 13206648 its reverse (84660231), we get a palindrome (97866879).

The spelling of 13206648 in words is "thirteen million, two hundred six thousand, six hundred forty-eight".