13805194 has 8 divisors (see below), whose sum is σ = 22300740. Its totient is φ = 6371616.

The previous prime is 13805179. The next prime is 13805201. The reversal of 13805194 is 49150831.

It can be written as a sum of positive squares in 2 ways, for example, as 13801225 + 3969 = 3715^2 + 63^2 .

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

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, 265459 + ... + 265510.

Almost surely, 2^13805194 is an apocalyptic number.

13805194 is a deficient number, since it is larger than the sum of its proper divisors (8495546).

13805194 is a wasteful number, since it uses less digits than its factorization.

13805194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530984.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13805194 is about 3715.5341473333. The cubic root of 13805194 is about 239.8911195934.

The spelling of 13805194 in words is "thirteen million, eight hundred five thousand, one hundred ninety-four".