13695820 has 12 divisors (see below), whose sum is σ = 28761264. Its totient is φ = 5478320.

The previous prime is 13695817. The next prime is 13695821. The reversal of 13695820 is 2859631.

It is not an unprimeable number, because it can be changed into a prime (13695821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 342376 + ... + 342415.

It is an arithmetic number, because the mean of its divisors is an integer number (2396772).

Almost surely, 2^13695820 is an apocalyptic number.

13695820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13695820 is an abundant number, since it is smaller than the sum of its proper divisors (15065444).

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

13695820 is a wasteful number, since it uses less digits than its factorization.

13695820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684800 (or 684798 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13695820 is about 3700.7864029149. The cubic root of 13695820 is about 239.2559130375.

The spelling of 13695820 in words is "thirteen million, six hundred ninety-five thousand, eight hundred twenty".