13055806 has 8 divisors (see below), whose sum is σ = 19708920. Its totient is φ = 6486168.

The previous prime is 13055803. The next prime is 13055807. The reversal of 13055806 is 60855031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20476 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (2463615).

Almost surely, 2^13055806 is an apocalyptic number.

13055806 is a deficient number, since it is larger than the sum of its proper divisors (6653114).

13055806 is a wasteful number, since it uses less digits than its factorization.

13055806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41738.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 13055806 is about 3613.2818877026. The cubic root of 13055806 is about 235.4694463782.

It can be divided in two parts, 13055 and 806, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13055806 in words is "thirteen million, fifty-five thousand, eight hundred six".