13205960 has 16 divisors (see below), whose sum is σ = 29713500. Its totient is φ = 5282368.

The previous prime is 13205953. The next prime is 13205981. The reversal of 13205960 is 6950231.

It can be written as a sum of positive squares in 2 ways, for example, as 13205956 + 4 = 3634^2 + 2^2 .

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, 165035 + ... + 165114.

Almost surely, 2^13205960 is an apocalyptic number.

13205960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13205960 is an abundant number, since it is smaller than the sum of its proper divisors (16507540).

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

13205960 is a wasteful number, since it uses less digits than its factorization.

13205960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330160 (or 330156 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13205960 is about 3634.0005503577. Note that the first 3 decimals coincide. The cubic root of 13205960 is about 236.3687140742.

The spelling of 13205960 in words is "thirteen million, two hundred five thousand, nine hundred sixty".