2012393 has 8 divisors (see below), whose sum is σ = 2087112. Its totient is φ = 1938816.

The previous prime is 2012383. The next prime is 2012401. The reversal of 2012393 is 3932102.

It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 1075369 = 968^2 + 1037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012393 - 2¹² = 2008297 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 (2012323) 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 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (260889).

2^2012393 is an apocalyptic number.

It is an amenable number.

2012393 is a deficient number, since it is larger than the sum of its proper divisors (74719).

2012393 is a wasteful number, since it uses less digits than its factorization.

2012393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2012393 is about 1418.5883828652. The cubic root of 2012393 is about 126.2518060063.

Adding to 2012393 its reverse (3932102), we get a palindrome (5944495).

The spelling of 2012393 in words is "two million, twelve thousand, three hundred ninety-three".