1307284 has 36 divisors (see below), whose sum is σ = 2617972. Its totient is φ = 570240.

The previous prime is 1307281. The next prime is 1307303. The reversal of 1307284 is 4827031.

It can be written as a sum of positive squares in 2 ways, for example, as 980100 + 327184 = 990^2 + 572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307281) 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 11 ways as a sum of consecutive naturals, for example, 17872 + ... + 17944.

2^1307284 is an apocalyptic number.

It is an amenable number.

1307284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1307284 is a wasteful number, since it uses less digits than its factorization.

1307284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1307284 is about 1143.3652084964. The cubic root of 1307284 is about 109.3427473882.

The spelling of 1307284 in words is "one million, three hundred seven thousand, two hundred eighty-four".