1307344 has 20 divisors (see below), whose sum is σ = 2561220. Its totient is φ = 646400.

The previous prime is 1307311. The next prime is 1307347. The reversal of 1307344 is 4437031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1210000 + 97344 = 1100^2 + 312^2 .

It is a super-3 number, since 3×1307344³ = 6703334460012490752, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (128061).

2^1307344 is an apocalyptic number.

It is an amenable number.

1307344 is a deficient number, since it is larger than the sum of its proper divisors (1253876).

1307344 is a wasteful number, since it uses less digits than its factorization.

1307344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1307344 is about 1143.3914465309. The cubic root of 1307344 is about 109.3444201858.

The spelling of 1307344 in words is "one million, three hundred seven thousand, three hundred forty-four".