1840012 has 12 divisors (see below), whose sum is σ = 3409560. Its totient is φ = 865856.

The previous prime is 1839997. The next prime is 1840019. The reversal of 1840012 is 2100481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1840019) 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, 13462 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (284130).

2^1840012 is an apocalyptic number.

It is an amenable number.

1840012 is a deficient number, since it is larger than the sum of its proper divisors (1569548).

1840012 is a wasteful number, since it uses less digits than its factorization.

1840012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27080 (or 27078 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1840012 is about 1356.4704198765. The cubic root of 1840012 is about 122.5387798921.

Adding to 1840012 its reverse (2100481), we get a palindrome (3940493).

The spelling of 1840012 in words is "one million, eight hundred forty thousand, twelve".