13208704 has 32 divisors (see below), whose sum is σ = 27035100. Its totient is φ = 6423552.

The previous prime is 13208669. The next prime is 13208719. The reversal of 13208704 is 40780231.

It can be written as a sum of positive squares in 2 ways, for example, as 12110400 + 1098304 = 3480^2 + 1048^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×13208704² = 348939722719232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342 + ... + 6130.

Almost surely, 2^13208704 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 13208704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13517550).

13208704 is an abundant number, since it is smaller than the sum of its proper divisors (13826396).

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

13208704 is an equidigital number, since it uses as much as digits as its factorization.

13208704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13208704 is about 3634.3780760950. The cubic root of 13208704 is about 236.3850842291.

Adding to 13208704 its reverse (40780231), we get a palindrome (53988935).

The spelling of 13208704 in words is "thirteen million, two hundred eight thousand, seven hundred four".