1344320013 has 32 divisors (see below), whose sum is σ = 1881129600. Its totient is φ = 853171200.

The previous prime is 1344319967. The next prime is 1344320063. The reversal of 1344320013 is 3100234431.

It is not a de Polignac number, because 1344320013 - 2²⁵ = 1310765581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344320063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042273 + ... + 1043561.

It is an arithmetic number, because the mean of its divisors is an integer number (58785300).

Almost surely, 2^1344320013 is an apocalyptic number.

It is an amenable number.

1344320013 is a deficient number, since it is larger than the sum of its proper divisors (536809587).

1344320013 is a wasteful number, since it uses less digits than its factorization.

1344320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1344320013 is about 36664.9698349801. The cubic root of 1344320013 is about 1103.6572520542.

Adding to 1344320013 its reverse (3100234431), we get a palindrome (4444554444).

The spelling of 1344320013 in words is "one billion, three hundred forty-four million, three hundred twenty thousand, thirteen".