1812416 has 14 divisors (see below), whose sum is σ = 3596640. Its totient is φ = 906176.

The previous prime is 1812409. The next prime is 1812431. The reversal of 1812416 is 6142181.

It is a junction number, because it is equal to n+sod(n) for n = 1812391 and 1812400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14096 + ... + 14223.

2^1812416 is an apocalyptic number.

1812416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1812416 is a deficient number, since it is larger than the sum of its proper divisors (1784224).

1812416 is an equidigital number, since it uses as much as digits as its factorization.

1812416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28331 (or 28321 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1812416 is about 1346.2600046054. The cubic root of 1812416 is about 121.9230904671.

Adding to 1812416 its reverse (6142181), we get a palindrome (7954597).

The spelling of 1812416 in words is "one million, eight hundred twelve thousand, four hundred sixteen".