2013393 has 4 divisors (see below), whose sum is σ = 2684528. Its totient is φ = 1342260.

The previous prime is 2013391. The next prime is 2013409. The reversal of 2013393 is 3933102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2013393 - 2¹ = 2013391 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013391) 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, 335563 + ... + 335568.

It is an arithmetic number, because the mean of its divisors is an integer number (671132).

2^2013393 is an apocalyptic number.

It is an amenable number.

2013393 is a deficient number, since it is larger than the sum of its proper divisors (671135).

2013393 is an equidigital number, since it uses as much as digits as its factorization.

2013393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671134.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 2013393 is about 1418.9408021479. The cubic root of 2013393 is about 126.2727149274.

Adding to 2013393 its reverse (3933102), we get a palindrome (5946495).

The spelling of 2013393 in words is "two million, thirteen thousand, three hundred ninety-three".