612826 has 8 divisors (see below), whose sum is σ = 967680. Its totient is φ = 290268.

The previous prime is 612823. The next prime is 612841. The reversal of 612826 is 628216.

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

It is a plaindrome in base 9 and base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 612826.

It is not an unprimeable number, because it can be changed into a prime (612823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8026 + ... + 8101.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2⁶¹²⁸²⁶ is an apocalyptic number.

612826 is a deficient number, since it is larger than the sum of its proper divisors (354854).

612826 is a wasteful number, since it uses less digits than its factorization.

612826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16148.

The product of its digits is 1152, while the sum is 25.

The square root of 612826 is about 782.8320381793. The cubic root of 612826 is about 84.9400268991.

The spelling of 612826 in words is "six hundred twelve thousand, eight hundred twenty-six".