1830012 has 12 divisors (see below), whose sum is σ = 4270056. Its totient is φ = 610000.

The previous prime is 1830011. The next prime is 1830013. The reversal of 1830012 is 2100381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1830011) and next prime (1830013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1829973 and 1830000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830011) 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, 76239 + ... + 76262.

It is an arithmetic number, because the mean of its divisors is an integer number (355838).

2^1830012 is an apocalyptic number.

1830012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1830012 is an abundant number, since it is smaller than the sum of its proper divisors (2440044).

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

1830012 is a wasteful number, since it uses less digits than its factorization.

1830012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152508 (or 152506 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1830012 is about 1352.7793611672. The cubic root of 1830012 is about 122.3163874264.

Adding to 1830012 its reverse (2100381), we get a palindrome (3930393).

The spelling of 1830012 in words is "one million, eight hundred thirty thousand, twelve".