1306013344 has 48 divisors (see below), whose sum is σ = 2640496320. Its totient is φ = 635491840.

The previous prime is 1306013341. The next prime is 1306013369. The reversal of 1306013344 is 4433106031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1306013341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658947 + ... + 660925.

It is an arithmetic number, because the mean of its divisors is an integer number (55010340).

Almost surely, 2^1306013344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1306013344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320248160).

1306013344 is an abundant number, since it is smaller than the sum of its proper divisors (1334482976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306013344 is a wasteful number, since it uses less digits than its factorization.

1306013344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1306013344 is about 36138.8066211379. The cubic root of 1306013344 is about 1093.0730952439.

Adding to 1306013344 its reverse (4433106031), we get a palindrome (5739119375).

The spelling of 1306013344 in words is "one billion, three hundred six million, thirteen thousand, three hundred forty-four".