1285796 has 6 divisors (see below), whose sum is σ = 2250150. Its totient is φ = 642896.

The previous prime is 1285793. The next prime is 1285799. The reversal of 1285796 is 6975821.

It is an interprime number because it is at equal distance from previous prime (1285793) and next prime (1285799).

It can be written as a sum of positive squares in only one way, i.e., 972196 + 313600 = 986^2 + 560^2 .

It is not an unprimeable number, because it can be changed into a prime (1285793) 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, 160721 + ... + 160728.

It is an arithmetic number, because the mean of its divisors is an integer number (375025).

2^1285796 is an apocalyptic number.

It is an amenable number.

1285796 is a deficient number, since it is larger than the sum of its proper divisors (964354).

1285796 is a wasteful number, since it uses less digits than its factorization.

1285796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321453 (or 321451 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 1285796 is about 1133.9294510683. The cubic root of 1285796 is about 108.7403408869.

The spelling of 1285796 in words is "one million, two hundred eighty-five thousand, seven hundred ninety-six".