1812037 has 2 divisors, whose sum is σ = 1812038. Its totient is φ = 1812036.

The previous prime is 1811993. The next prime is 1812053. The reversal of 1812037 is 7302181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 45796 = 1329^2 + 214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1812037 - 2¹⁵ = 1779269 is a prime.

It is a Chen prime.

It is equal to p₁₃₅₉₁₃ and since 1812037 and 135913 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1811999 and 1812017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1812137) by changing a digit.

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, 906018 + 906019.

It is an arithmetic number, because the mean of its divisors is an integer number (906019).

2^1812037 is an apocalyptic number.

It is an amenable number.

1812037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1812037 is an equidigital number, since it uses as much as digits as its factorization.

1812037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1812037 is about 1346.1192369177. The cubic root of 1812037 is about 121.9145913012.

The spelling of 1812037 in words is "one million, eight hundred twelve thousand, thirty-seven".