13205942 has 8 divisors (see below), whose sum is σ = 19829232. Its totient is φ = 6596200.

The previous prime is 13205891. The next prime is 13205953. The reversal of 13205942 is 24950231.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (2478654).

Almost surely, 2^13205942 is an apocalyptic number.

13205942 is a deficient number, since it is larger than the sum of its proper divisors (6623290).

13205942 is a wasteful number, since it uses less digits than its factorization.

13205942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13205942 is about 3633.9980737474. The cubic root of 13205942 is about 236.3686066823.

The spelling of 13205942 in words is "thirteen million, two hundred five thousand, nine hundred forty-two".