1286395 has 16 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 885600.

The previous prime is 1286387. The next prime is 1286399. The reversal of 1286395 is 5936821.

It is not a de Polignac number, because 1286395 - 2³ = 1286387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1286395.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286399) 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, 430 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1286395 is an apocalyptic number.

1286395 is a deficient number, since it is larger than the sum of its proper divisors (487685).

1286395 is a wasteful number, since it uses less digits than its factorization.

1286395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 12960, while the sum is 34.

The square root of 1286395 is about 1134.1935460934. The cubic root of 1286395 is about 108.7572241645.

It can be divided in two parts, 1286 and 395, that added together give a square (1681 = 41²).

The spelling of 1286395 in words is "one million, two hundred eighty-six thousand, three hundred ninety-five".