1311044 has 18 divisors (see below), whose sum is σ = 2669310. Its totient is φ = 561792.

The previous prime is 1311043. The next prime is 1311047. The reversal of 1311044 is 4401131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 56644 = 1120^2 + 238^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1311043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3149 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (148295).

2^1311044 is an apocalyptic number.

1311044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1311044 is an abundant number, since it is smaller than the sum of its proper divisors (1358266).

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

1311044 is a wasteful number, since it uses less digits than its factorization.

1311044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707 (or 6698 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1311044 is about 1145.0082969132. The cubic root of 1311044 is about 109.4474772957.

Adding to 1311044 its reverse (4401131), we get a palindrome (5712175).

The spelling of 1311044 in words is "one million, three hundred eleven thousand, forty-four".