18050613 has 8 divisors (see below), whose sum is σ = 27505728. Its totient is φ = 10314624.

The previous prime is 18050611. The next prime is 18050623. The reversal of 18050613 is 31605081.

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

It is not a de Polignac number, because 18050613 - 2¹ = 18050611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429756 + ... + 429797.

It is an arithmetic number, because the mean of its divisors is an integer number (3438216).

Almost surely, 2^18050613 is an apocalyptic number.

It is an amenable number.

18050613 is a deficient number, since it is larger than the sum of its proper divisors (9455115).

18050613 is an equidigital number, since it uses as much as digits as its factorization.

18050613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859563.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 18050613 is about 4248.6012992513. The cubic root of 18050613 is about 262.3195458175.

Adding to 18050613 its reverse (31605081), we get a palindrome (49655694).

The spelling of 18050613 in words is "eighteen million, fifty thousand, six hundred thirteen".