1444313 has 8 divisors (see below), whose sum is σ = 1565256. Its totient is φ = 1324800.

The previous prime is 1444309. The next prime is 1444411. The reversal of 1444313 is 3134441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 1364224 = 283^2 + 1168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444313 - 2² = 1444309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444213) 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, 2903 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (195657).

2^1444313 is an apocalyptic number.

1444313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1444313 is a deficient number, since it is larger than the sum of its proper divisors (120943).

1444313 is a wasteful number, since it uses less digits than its factorization.

1444313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715.

The product of its digits is 576, while the sum is 20.

The square root of 1444313 is about 1201.7957397162. The cubic root of 1444313 is about 113.0369524382.

Adding to 1444313 its reverse (3134441), we get a palindrome (4578754).

The spelling of 1444313 in words is "one million, four hundred forty-four thousand, three hundred thirteen".