2399013 has 12 divisors (see below), whose sum is σ = 3546400. Its totient is φ = 1561896.

The previous prime is 2399011. The next prime is 2399017. The reversal of 2399013 is 3109932.

It is not a de Polignac number, because 2399013 - 2¹ = 2399011 is a prime.

It is a Duffinian number.

2399013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2713 + ... + 3486.

2^2399013 is an apocalyptic number.

It is an amenable number.

2399013 is a deficient number, since it is larger than the sum of its proper divisors (1147387).

2399013 is a wasteful number, since it uses less digits than its factorization.

2399013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6245 counting only the distinct ones).

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

The square root of 2399013 is about 1548.8747528448. The cubic root of 2399013 is about 133.8682338798.

The spelling of 2399013 in words is "two million, three hundred ninety-nine thousand, thirteen".