1260784 has 20 divisors (see below), whose sum is σ = 2791984. Its totient is φ = 540288.

The previous prime is 1260769. The next prime is 1260797. The reversal of 1260784 is 4870621.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5517 + ... + 5740.

2^1260784 is an apocalyptic number.

1260784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1260784 is an abundant number, since it is smaller than the sum of its proper divisors (1531200).

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

1260784 is a wasteful number, since it uses less digits than its factorization.

1260784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272 (or 11266 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1260784 is about 1122.8463830819. The cubic root of 1260784 is about 108.0306268878.

The spelling of 1260784 in words is "one million, two hundred sixty thousand, seven hundred eighty-four".