18713046 has 64 divisors (see below), whose sum is σ = 42900480. Its totient is φ = 5391360.

The previous prime is 18713027. The next prime is 18713113. The reversal of 18713046 is 64031781.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 192870 + ... + 192966.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^18713046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18713046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21450240).

18713046 is an abundant number, since it is smaller than the sum of its proper divisors (24187434).

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

18713046 is a wasteful number, since it uses less digits than its factorization.

18713046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 18713046 is about 4325.8578340024. The cubic root of 18713046 is about 265.4899964666.

The spelling of 18713046 in words is "eighteen million, seven hundred thirteen thousand, forty-six".