1331348 has 6 divisors (see below), whose sum is σ = 2329866. Its totient is φ = 665672.

The previous prime is 1331347. The next prime is 1331377. The reversal of 1331348 is 8431331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 103684 = 1108^2 + 322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166415 + ... + 166422.

It is an arithmetic number, because the mean of its divisors is an integer number (388311).

2^1331348 is an apocalyptic number.

It is an amenable number.

1331348 is a deficient number, since it is larger than the sum of its proper divisors (998518).

1331348 is a wasteful number, since it uses less digits than its factorization.

1331348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332841 (or 332839 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1331348 is about 1153.8405435761. The cubic root of 1331348 is about 110.0095859415.

Adding to 1331348 its reverse (8431331), we get a palindrome (9762679).

The spelling of 1331348 in words is "one million, three hundred thirty-one thousand, three hundred forty-eight".