1265286 has 32 divisors (see below), whose sum is σ = 2908800. Its totient is φ = 362880.

The previous prime is 1265281. The next prime is 1265311. The reversal of 1265286 is 6825621.

1265286 = 249² + 250² + ... + 267².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (90900).

2^1265286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454400).

1265286 is an abundant number, since it is smaller than the sum of its proper divisors (1643514).

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

1265286 is a wasteful number, since it uses less digits than its factorization.

1265286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its digits is 5760, while the sum is 30.

The square root of 1265286 is about 1124.8493232429. The cubic root of 1265286 is about 108.1590591802.

It can be divided in two parts, 1265 and 286, that added together give a palindrome (1551).

The spelling of 1265286 in words is "one million, two hundred sixty-five thousand, two hundred eighty-six".