13288704 has 144 divisors (see below), whose sum is σ = 41893824. Its totient is φ = 3717120.

The previous prime is 13288697. The next prime is 13288721. The reversal of 13288704 is 40788231.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1022202 + ... + 1022214.

Almost surely, 2^13288704 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 13288704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20946912).

13288704 is an abundant number, since it is smaller than the sum of its proper divisors (28605120).

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

13288704 is an equidigital number, since it uses as much as digits as its factorization.

13288704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 13288704 is about 3645.3674711886. The cubic root of 13288704 is about 236.8613549318.

The spelling of 13288704 in words is "thirteen million, two hundred eighty-eight thousand, seven hundred four".