3724213 has 2 divisors, whose sum is σ = 3724214. Its totient is φ = 3724212.

The previous prime is 3724211. The next prime is 3724223. The reversal of 3724213 is 3124273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 1656369 = 1438^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 3724213 - 2¹ = 3724211 is a prime.

Together with 3724211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3724211) 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 as a sum of consecutive naturals, namely, 1862106 + 1862107.

It is an arithmetic number, because the mean of its divisors is an integer number (1862107).

Almost surely, 2^3724213 is an apocalyptic number.

It is an amenable number.

3724213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3724213 is an equidigital number, since it uses as much as digits as its factorization.

3724213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 22.

The square root of 3724213 is about 1929.8220125183. The cubic root of 3724213 is about 155.0046894176.

Adding to 3724213 its reverse (3124273), we get a palindrome (6848486).

The spelling of 3724213 in words is "three million, seven hundred twenty-four thousand, two hundred thirteen".