13194638 has 8 divisors (see below), whose sum is σ = 19895088. Its totient is φ = 6562944.

The previous prime is 13194611. The next prime is 13194641. The reversal of 13194638 is 83649131.

13194638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 13194598 and 13194607.

It is a congruent number.

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, 16706 + ... + 17477.

It is an arithmetic number, because the mean of its divisors is an integer number (2486886).

Almost surely, 2^13194638 is an apocalyptic number.

13194638 is a deficient number, since it is larger than the sum of its proper divisors (6700450).

13194638 is a wasteful number, since it uses less digits than its factorization.

13194638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34378.

The product of its digits is 15552, while the sum is 35.

The square root of 13194638 is about 3632.4424290001. The cubic root of 13194638 is about 236.3011452961.

The spelling of 13194638 in words is "thirteen million, one hundred ninety-four thousand, six hundred thirty-eight".