612999 has 6 divisors (see below), whose sum is σ = 885456. Its totient is φ = 408660.

The previous prime is 612977. The next prime is 613007. The reversal of 612999 is 999216.

612999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612999 - 2⁵ = 612967 is a prime.

612999 is a modest number, since divided by 999 gives 612 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34047 + ... + 34064.

It is an arithmetic number, because the mean of its divisors is an integer number (147576).

2⁶¹²⁹⁹⁹ is an apocalyptic number.

612999 is a deficient number, since it is larger than the sum of its proper divisors (272457).

612999 is a wasteful number, since it uses less digits than its factorization.

612999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68117 (or 68114 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 612999 is about 782.9425266263. The cubic root of 612999 is about 84.9480189676.

The spelling of 612999 in words is "six hundred twelve thousand, nine hundred ninety-nine".