3720113 has 2 divisors, whose sum is σ = 3720114. Its totient is φ = 3720112.

The previous prime is 3720103. The next prime is 3720121. The reversal of 3720113 is 3110273.

3720113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2334784 + 1385329 = 1528^2 + 1177^2 .

It is an emirp because it is prime and its reverse (3110273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3720113 - 2⁸ = 3719857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3720091 and 3720100.

It is not a weakly prime, because it can be changed into another prime (3720103) 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, 1860056 + 1860057.

It is an arithmetic number, because the mean of its divisors is an integer number (1860057).

Almost surely, 2^3720113 is an apocalyptic number.

It is an amenable number.

3720113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720113 is an equidigital number, since it uses as much as digits as its factorization.

3720113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 3720113 is about 1928.7594458615. The cubic root of 3720113 is about 154.9477867839.

Adding to 3720113 its reverse (3110273), we get a palindrome (6830386).

The spelling of 3720113 in words is "three million, seven hundred twenty thousand, one hundred thirteen".