1812418 has 8 divisors (see below), whose sum is σ = 2753280. Its totient is φ = 894660.

The previous prime is 1812409. The next prime is 1812431. The reversal of 1812418 is 8142181.

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

It is a junction number, because it is equal to n+sod(n) for n = 1812392 and 1812401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578 + ... + 5893.

It is an arithmetic number, because the mean of its divisors is an integer number (344160).

2^1812418 is an apocalyptic number.

1812418 is a deficient number, since it is larger than the sum of its proper divisors (940862).

1812418 is a wasteful number, since it uses less digits than its factorization.

1812418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552.

The product of its digits is 512, while the sum is 25.

The square root of 1812418 is about 1346.2607474037. The cubic root of 1812418 is about 121.9231353144.

Adding to 1812418 its reverse (8142181), we get a palindrome (9954599).

The spelling of 1812418 in words is "one million, eight hundred twelve thousand, four hundred eighteen".