2013730 has 16 divisors (see below), whose sum is σ = 3641400. Its totient is φ = 801792.

The previous prime is 2013727. The next prime is 2013743. The reversal of 2013730 is 373102.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 169 = 1419^2 + 13^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3202 + ... + 3778.

2^2013730 is an apocalyptic number.

2013730 is a deficient number, since it is larger than the sum of its proper divisors (1627670).

2013730 is a wasteful number, since it uses less digits than its factorization.

2013730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 2013730 is about 1419.0595477287. The cubic root of 2013730 is about 126.2797596740.

Adding to 2013730 its reverse (373102), we get a palindrome (2386832).

The spelling of 2013730 in words is "two million, thirteen thousand, seven hundred thirty".