1313284 has 48 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 506880.

The previous prime is 1313239. The next prime is 1313293. The reversal of 1313284 is 4823131.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14712 + ... + 14800.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1313284 is an apocalyptic number.

1313284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).

1313284 is an abundant number, since it is smaller than the sum of its proper divisors (1589756).

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

1313284 is a wasteful number, since it uses less digits than its factorization.

1313284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 146 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1313284 is about 1145.9860383094. The cubic root of 1313284 is about 109.5097744310.

The spelling of 1313284 in words is "one million, three hundred thirteen thousand, two hundred eighty-four".