999012 has 36 divisors (see below), whose sum is σ = 2713200. Its totient is φ = 285264.

The previous prime is 999007. The next prime is 999023. The reversal of 999012 is 210999.

It is a super-2 number, since 2×999012² = 1996049952288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262 + ... + 1437.

2⁹⁹⁹⁰¹² is an apocalyptic number.

It is an amenable number.

999012 is an abundant number, since it is smaller than the sum of its proper divisors (1714188).

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

999012 is a wasteful number, since it uses less digits than its factorization.

999012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 999012 is about 999.5058779217. The cubic root of 999012 is about 99.9670558147.

The spelling of 999012 in words is "nine hundred ninety-nine thousand, twelve".