1310733 has 6 divisors (see below), whose sum is σ = 1893294. Its totient is φ = 873816.

The previous prime is 1310723. The next prime is 1310741. The reversal of 1310733 is 3370131.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 233289 = 1038^2 + 483^2 .

It is not a de Polignac number, because 1310733 - 2⁶ = 1310669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310723) 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, 72810 + ... + 72827.

It is an arithmetic number, because the mean of its divisors is an integer number (315549).

2^1310733 is an apocalyptic number.

It is an amenable number.

1310733 is a deficient number, since it is larger than the sum of its proper divisors (582561).

1310733 is a wasteful number, since it uses less digits than its factorization.

1310733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145643 (or 145640 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 1310733 is about 1144.8724819822. The cubic root of 1310733 is about 109.4388223974.

Adding to 1310733 its reverse (3370131), we get a palindrome (4680864).

The spelling of 1310733 in words is "one million, three hundred ten thousand, seven hundred thirty-three".