1812473 has 8 divisors (see below), whose sum is σ = 1971648. Its totient is φ = 1656144.

The previous prime is 1812457. The next prime is 1812509. The reversal of 1812473 is 3742181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1812473 - 2⁴ = 1812457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1812403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (246456).

2^1812473 is an apocalyptic number.

1812473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1812473 is a deficient number, since it is larger than the sum of its proper divisors (159175).

1812473 is a wasteful number, since it uses less digits than its factorization.

1812473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its digits is 1344, while the sum is 26.

The square root of 1812473 is about 1346.2811741980. The cubic root of 1812473 is about 121.9243686033.

The spelling of 1812473 in words is "one million, eight hundred twelve thousand, four hundred seventy-three".