18713016 has 96 divisors (see below), whose sum is σ = 58631040. Its totient is φ = 5281344.

The previous prime is 18712943. The next prime is 18713027. The reversal of 18713016 is 61031781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53755 + ... + 54101.

It is an arithmetic number, because the mean of its divisors is an integer number (610740).

Almost surely, 2^18713016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18713016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29315520).

18713016 is an abundant number, since it is smaller than the sum of its proper divisors (39918024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18713016 is a wasteful number, since it uses less digits than its factorization.

18713016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 18713016 is about 4325.8543664807. The cubic root of 18713016 is about 265.4898545923.

Adding to 18713016 its reverse (61031781), we get a palindrome (79744797).

It can be divided in two parts, 187 and 13016, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 18713016 in words is "eighteen million, seven hundred thirteen thousand, sixteen".