18034413 has 4 divisors (see below), whose sum is σ = 24045888. Its totient is φ = 12022940.

The previous prime is 18034403. The next prime is 18034421. The reversal of 18034413 is 31443081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18034413 - 2⁴ = 18034397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005733 + ... + 3005738.

It is an arithmetic number, because the mean of its divisors is an integer number (6011472).

Almost surely, 2^18034413 is an apocalyptic number.

It is an amenable number.

18034413 is a deficient number, since it is larger than the sum of its proper divisors (6011475).

18034413 is an equidigital number, since it uses as much as digits as its factorization.

18034413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011474.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 18034413 is about 4246.6943615005. The cubic root of 18034413 is about 262.2410471246.

Adding to 18034413 its reverse (31443081), we get a palindrome (49477494).

It can be divided in two parts, 1803 and 4413, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 18034413 in words is "eighteen million, thirty-four thousand, four hundred thirteen".