1413643 has 12 divisors (see below), whose sum is σ = 1776880. Its totient is φ = 1100880.

The previous prime is 1413641. The next prime is 1413647. The reversal of 1413643 is 3463141.

It is not a de Polignac number, because 1413643 - 2¹ = 1413641 is a prime.

1413643 is a lucky number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1413641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13 + ... + 1681.

2^1413643 is an apocalyptic number.

1413643 is a deficient number, since it is larger than the sum of its proper divisors (363237).

1413643 is a wasteful number, since it uses less digits than its factorization.

1413643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1687 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1413643 is about 1188.9671988747. The cubic root of 1413643 is about 112.2311076119.

Adding to 1413643 its reverse (3463141), we get a palindrome (4876784).

The spelling of 1413643 in words is "one million, four hundred thirteen thousand, six hundred forty-three".