1283726 has 4 divisors (see below), whose sum is σ = 1925592. Its totient is φ = 641862.

The previous prime is 1283719. The next prime is 1283731. The reversal of 1283726 is 6273821.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 320930 + ... + 320933.

It is an arithmetic number, because the mean of its divisors is an integer number (481398).

2^1283726 is an apocalyptic number.

1283726 is a deficient number, since it is larger than the sum of its proper divisors (641866).

1283726 is an equidigital number, since it uses as much as digits as its factorization.

1283726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641865.

The product of its digits is 4032, while the sum is 29.

The square root of 1283726 is about 1133.0163282142. The cubic root of 1283726 is about 108.6819559369.

It can be divided in two parts, 12 and 83726, that added together give a palindrome (83738).

The spelling of 1283726 in words is "one million, two hundred eighty-three thousand, seven hundred twenty-six".