13185838 has 8 divisors (see below), whose sum is σ = 20313432. Its totient is φ = 6414696.

The previous prime is 13185827. The next prime is 13185841. The reversal of 13185838 is 83858131.

13185838 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 Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 13185797 and 13185806.

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, 89020 + ... + 89167.

It is an arithmetic number, because the mean of its divisors is an integer number (2539179).

Almost surely, 2^13185838 is an apocalyptic number.

13185838 is a deficient number, since it is larger than the sum of its proper divisors (7127594).

13185838 is a wasteful number, since it uses less digits than its factorization.

13185838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178226.

The product of its digits is 23040, while the sum is 37.

The square root of 13185838 is about 3631.2309207760. The cubic root of 13185838 is about 236.2486009081.

The spelling of 13185838 in words is "thirteen million, one hundred eighty-five thousand, eight hundred thirty-eight".