618012 has 18 divisors (see below), whose sum is σ = 1562288. Its totient is φ = 205992.

The previous prime is 617983. The next prime is 618029. The reversal of 618012 is 210816.

Added to its reverse (210816) it gives a triangular number (828828 = T₁₂₈₇).

618012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

618012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8548 + ... + 8619.

2⁶¹⁸⁰¹² is an apocalyptic number.

It is an amenable number.

618012 is an abundant number, since it is smaller than the sum of its proper divisors (944276).

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

618012 is a wasteful number, since it uses less digits than its factorization.

618012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17177 (or 17172 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 618012 is about 786.1373925721. The cubic root of 618012 is about 85.1789540029.

Adding to 618012 its reverse (210816), we get a palindrome (828828).

The spelling of 618012 in words is "six hundred eighteen thousand, twelve".