18134512 has 120 divisors (see below), whose sum is σ = 44528400. Its totient is φ = 7096320.

The previous prime is 18134503. The next prime is 18134513. The reversal of 18134512 is 21543181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18134513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625314 + ... + 625342.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 2^18134512 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 18134512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22264200).

18134512 is an abundant number, since it is smaller than the sum of its proper divisors (26393888).

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

18134512 is a wasteful number, since it uses less digits than its factorization.

18134512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 78 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 18134512 is about 4258.4635726985. The cubic root of 18134512 is about 262.7253369705.

Adding to 18134512 its reverse (21543181), we get a palindrome (39677693).

The spelling of 18134512 in words is "eighteen million, one hundred thirty-four thousand, five hundred twelve".