18341013 has 4 divisors (see below), whose sum is σ = 24454688. Its totient is φ = 12227340.

The previous prime is 18340979. The next prime is 18341017. The reversal of 18341013 is 31014381.

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 not a de Polignac number, because 18341013 - 2¹² = 18336917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341017) 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, 3056833 + ... + 3056838.

It is an arithmetic number, because the mean of its divisors is an integer number (6113672).

Almost surely, 2^18341013 is an apocalyptic number.

It is an amenable number.

18341013 is a deficient number, since it is larger than the sum of its proper divisors (6113675).

18341013 is an equidigital number, since it uses as much as digits as its factorization.

18341013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113674.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 18341013 is about 4282.6408908523. The cubic root of 18341013 is about 263.7188093062.

Adding to 18341013 its reverse (31014381), we get a palindrome (49355394).

The spelling of 18341013 in words is "eighteen million, three hundred forty-one thousand, thirteen".