1283706 has 12 divisors (see below), whose sum is σ = 2781402. Its totient is φ = 427896.

The previous prime is 1283701. The next prime is 1283707. The reversal of 1283706 is 6073821.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 84681 = 1095^2 + 291^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1283706.

It is not an unprimeable number, because it can be changed into a prime (1283701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35641 + ... + 35676.

2^1283706 is an apocalyptic number.

1283706 is an abundant number, since it is smaller than the sum of its proper divisors (1497696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283706 is a wasteful number, since it uses less digits than its factorization.

1283706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71325 (or 71322 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1283706 is about 1133.0075021817. The cubic root of 1283706 is about 108.6813915251.

The spelling of 1283706 in words is "one million, two hundred eighty-three thousand, seven hundred six".