13850181 has 6 divisors (see below), whose sum is σ = 20005830. Its totient is φ = 9233448.

The previous prime is 13850159. The next prime is 13850227. The reversal of 13850181 is 18105831.

13850181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 4796100 = 3009^2 + 2190^2 .

It is not a de Polignac number, because 13850181 - 2⁹ = 13849669 is a prime.

It is a super-2 number, since 2×13850181² = 383655027465522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13850131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769446 + ... + 769463.

It is an arithmetic number, because the mean of its divisors is an integer number (3334305).

Almost surely, 2^13850181 is an apocalyptic number.

It is an amenable number.

13850181 is a deficient number, since it is larger than the sum of its proper divisors (6155649).

13850181 is a wasteful number, since it uses less digits than its factorization.

13850181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538915 (or 1538912 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 13850181 is about 3721.5831308732. The cubic root of 13850181 is about 240.1514148696.

The spelling of 13850181 in words is "thirteen million, eight hundred fifty thousand, one hundred eighty-one".