612818 has 8 divisors (see below), whose sum is σ = 926640. Its totient is φ = 303940.

The previous prime is 612817. The next prime is 612823. The reversal of 612818 is 818216.

612818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×612818² = 751091802248, which contains 22 as substring.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (612811) 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, 908 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (115830).

2⁶¹²⁸¹⁸ is an apocalyptic number.

612818 is a deficient number, since it is larger than the sum of its proper divisors (313822).

612818 is a wasteful number, since it uses less digits than its factorization.

612818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its digits is 768, while the sum is 26.

The square root of 612818 is about 782.8269285097. The cubic root of 612818 is about 84.9396572873.

The spelling of 612818 in words is "six hundred twelve thousand, eight hundred eighteen".