1265706 has 40 divisors (see below), whose sum is σ = 3059364. Its totient is φ = 388800.

The previous prime is 1265681. The next prime is 1265729. The reversal of 1265706 is 6075621.

1265706 is a `hidden beast` number, since 1 + 2 + 657 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1265625 + 81 = 1125^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1265706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1806 + ... + 2406.

2^1265706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529682).

1265706 is an abundant number, since it is smaller than the sum of its proper divisors (1793658).

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

1265706 is a wasteful number, since it uses less digits than its factorization.

1265706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1265706 is about 1125.0359994240. The cubic root of 1265706 is about 108.1710253231.

It can be divided in two parts, 126 and 5706, that added together give a cube (5832 = 18³).

The spelling of 1265706 in words is "one million, two hundred sixty-five thousand, seven hundred six".