2013399 has 6 divisors (see below), whose sum is σ = 2908256. Its totient is φ = 1342260.

The previous prime is 2013391. The next prime is 2013409. The reversal of 2013399 is 9933102.

It is not a de Polignac number, because 2013399 - 2³ = 2013391 is a prime.

It is a Duffinian number.

2013399 is a lucky number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 111847 + ... + 111864.

2^2013399 is an apocalyptic number.

2013399 is a deficient number, since it is larger than the sum of its proper divisors (894857).

2013399 is a wasteful number, since it uses less digits than its factorization.

2013399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223717 (or 223714 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 2013399 is about 1418.9429163994. The cubic root of 2013399 is about 126.2728403600.

It can be divided in two parts, 201 and 3399, that added together give a square (3600 = 60²).

The spelling of 2013399 in words is "two million, thirteen thousand, three hundred ninety-nine".