1426565 has 8 divisors (see below), whose sum is σ = 1956480. Its totient is φ = 978192.

The previous prime is 1426559. The next prime is 1426567. The reversal of 1426565 is 5656241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426565 - 2¹² = 1422469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20345 + ... + 20414.

It is an arithmetic number, because the mean of its divisors is an integer number (244560).

2^1426565 is an apocalyptic number.

It is an amenable number.

1426565 is a deficient number, since it is larger than the sum of its proper divisors (529915).

1426565 is an equidigital number, since it uses as much as digits as its factorization.

1426565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40771.

The product of its digits is 7200, while the sum is 29.

The square root of 1426565 is about 1194.3889651198. The cubic root of 1426565 is about 112.5720361684.

It can be divided in two parts, 1426 and 565, that added together give a palindrome (1991).

The spelling of 1426565 in words is "one million, four hundred twenty-six thousand, five hundred sixty-five".