1305796 has 6 divisors (see below), whose sum is σ = 2285150. Its totient is φ = 652896.

The previous prime is 1305749. The next prime is 1305797. The reversal of 1305796 is 6975031.

It can be written as a sum of positive squares in only one way, i.e., 864900 + 440896 = 930^2 + 664^2 .

It is not an unprimeable number, because it can be changed into a prime (1305797) 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, 163221 + ... + 163228.

2^1305796 is an apocalyptic number.

It is an amenable number.

1305796 is a deficient number, since it is larger than the sum of its proper divisors (979354).

1305796 is a wasteful number, since it uses less digits than its factorization.

1305796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326453 (or 326451 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1305796 is about 1142.7143125033. The cubic root of 1305796 is about 109.3012456236.

The spelling of 1305796 in words is "one million, three hundred five thousand, seven hundred ninety-six".