2212013 has 4 divisors (see below), whose sum is σ = 2215068. Its totient is φ = 2208960.

The previous prime is 2212009. The next prime is 2212039. The reversal of 2212013 is 3102122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 964324 + 1247689 = 982^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212013 - 2² = 2212009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211985 and 2212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (553767).

2^2212013 is an apocalyptic number.

It is an amenable number.

2212013 is a deficient number, since it is larger than the sum of its proper divisors (3055).

2212013 is a wasteful number, since it uses less digits than its factorization.

2212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2212013 is about 1487.2837657959. The cubic root of 2212013 is about 130.2954424571.

Adding to 2212013 its reverse (3102122), we get a palindrome (5314135).

The spelling of 2212013 in words is "two million, two hundred twelve thousand, thirteen".