1283313 has 8 divisors (see below), whose sum is σ = 1811808. Its totient is φ = 805184.

The previous prime is 1283297. The next prime is 1283323. The reversal of 1283313 is 3133821.

It is a happy number.

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 1283313 - 2⁴ = 1283297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1283313.

It is not an unprimeable number, because it can be changed into a prime (1283323) 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 7 ways as a sum of consecutive naturals, for example, 12531 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (226476).

2^1283313 is an apocalyptic number.

It is an amenable number.

1283313 is a deficient number, since it is larger than the sum of its proper divisors (528495).

1283313 is a wasteful number, since it uses less digits than its factorization.

1283313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25183.

The product of its digits is 432, while the sum is 21.

The square root of 1283313 is about 1132.8340566914. The cubic root of 1283313 is about 108.6702996431.

It can be divided in two parts, 1283 and 313, that added together give a triangular number (1596 = T₅₆).

The spelling of 1283313 in words is "one million, two hundred eighty-three thousand, three hundred thirteen".