1812063 has 16 divisors (see below), whose sum is σ = 2699136. Its totient is φ = 1071840.

The previous prime is 1812061. The next prime is 1812073. The reversal of 1812063 is 3602181.

It is not a de Polignac number, because 1812063 - 2¹ = 1812061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (168696).

2^1812063 is an apocalyptic number.

1812063 is a deficient number, since it is larger than the sum of its proper divisors (887073).

1812063 is a wasteful number, since it uses less digits than its factorization.

1812063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1812063 is about 1346.1288942742. The cubic root of 1812063 is about 121.9151743953.

The spelling of 1812063 in words is "one million, eight hundred twelve thousand, sixty-three".