3822013 has 4 divisors (see below), whose sum is σ = 4116028. Its totient is φ = 3528000.

The previous prime is 3821981. The next prime is 3822017. The reversal of 3822013 is 3102283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3102283 = 499 ⋅6217.

It can be written as a sum of positive squares in 2 ways, for example, as 2316484 + 1505529 = 1522^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 3822013 - 2⁵ = 3821981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3822017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146988 + ... + 147013.

It is an arithmetic number, because the mean of its divisors is an integer number (1029007).

Almost surely, 2^3822013 is an apocalyptic number.

It is an amenable number.

3822013 is a deficient number, since it is larger than the sum of its proper divisors (294015).

3822013 is a wasteful number, since it uses less digits than its factorization.

3822013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294014.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3822013 is about 1954.9969309439. The cubic root of 3822013 is about 156.3498203761.

Adding to 3822013 its reverse (3102283), we get a palindrome (6924296).

The spelling of 3822013 in words is "three million, eight hundred twenty-two thousand, thirteen".