1282605 has 16 divisors (see below), whose sum is σ = 2108544. Its totient is φ = 665280.

The previous prime is 1282597. The next prime is 1282607. The reversal of 1282605 is 5062821.

It is not a de Polignac number, because 1282605 - 2³ = 1282597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (131784).

2^1282605 is an apocalyptic number.

1282605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1282605 is a deficient number, since it is larger than the sum of its proper divisors (825939).

1282605 is a wasteful number, since it uses less digits than its factorization.

1282605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1282605 is about 1132.5215229743. The cubic root of 1282605 is about 108.6503116055.

The spelling of 1282605 in words is "one million, two hundred eighty-two thousand, six hundred five".