18683141 has 6 divisors (see below), whose sum is σ = 18998226. Its totient is φ = 18373200.

The previous prime is 18683057. The next prime is 18683143. The reversal of 18683141 is 14138681.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12100 + 18671041 = 110^2 + 4321^2 .

It is not a de Polignac number, because 18683141 - 2¹⁰ = 18682117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18683098 and 18683107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18683143) 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, 1211 + ... + 6231.

It is an arithmetic number, because the mean of its divisors is an integer number (3166371).

Almost surely, 2^18683141 is an apocalyptic number.

It is an amenable number.

18683141 is a deficient number, since it is larger than the sum of its proper divisors (315085).

18683141 is an frugal number, since it uses more digits than its factorization.

18683141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143 (or 5082 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 18683141 is about 4322.3999120859. The cubic root of 18683141 is about 265.3484960500.

The spelling of 18683141 in words is "eighteen million, six hundred eighty-three thousand, one hundred forty-one".