1305868 has 6 divisors (see below), whose sum is σ = 2285276. Its totient is φ = 652932.

The previous prime is 1305823. The next prime is 1305869. The reversal of 1305868 is 8685031.

It is not an unprimeable number, because it can be changed into a prime (1305869) 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 as a sum of consecutive naturals, namely, 163230 + ... + 163237.

2^1305868 is an apocalyptic number.

It is an amenable number.

1305868 is a deficient number, since it is larger than the sum of its proper divisors (979408).

1305868 is a wasteful number, since it uses less digits than its factorization.

1305868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326471 (or 326469 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1305868 is about 1142.7458160063. The cubic root of 1305868 is about 109.3032544992.

The spelling of 1305868 in words is "one million, three hundred five thousand, eight hundred sixty-eight".