1822013 has 2 divisors, whose sum is σ = 1822014. Its totient is φ = 1822012.

The previous prime is 1822003. The next prime is 1822019. The reversal of 1822013 is 3102281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1570009 + 252004 = 1253^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1822013 - 2⁴ = 1821997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1821982 and 1822000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1822019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911006 + 911007.

It is an arithmetic number, because the mean of its divisors is an integer number (911007).

2^1822013 is an apocalyptic number.

It is an amenable number.

1822013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1822013 is an equidigital number, since it uses as much as digits as its factorization.

1822013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1822013 is about 1349.8196175786. The cubic root of 1822013 is about 122.1379117662.

Adding to 1822013 its reverse (3102281), we get a palindrome (4924294).

The spelling of 1822013 in words is "one million, eight hundred twenty-two thousand, thirteen".