13295720 has 16 divisors (see below), whose sum is σ = 29915460. Its totient is φ = 5318272.

The previous prime is 13295719. The next prime is 13295731. The reversal of 13295720 is 2759231.

It can be written as a sum of positive squares in 2 ways, for example, as 12545764 + 749956 = 3542^2 + 866^2 .

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, 166157 + ... + 166236.

Almost surely, 2^13295720 is an apocalyptic number.

13295720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13295720 is an abundant number, since it is smaller than the sum of its proper divisors (16619740).

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

13295720 is a wasteful number, since it uses less digits than its factorization.

13295720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332404 (or 332400 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13295720 is about 3646.3296614541. The cubic root of 13295720 is about 236.9030326076.

The spelling of 13295720 in words is "thirteen million, two hundred ninety-five thousand, seven hundred twenty".