1413405 has 36 divisors (see below), whose sum is σ = 2854332. Its totient is φ = 645120.

The previous prime is 1413371. The next prime is 1413413. The reversal of 1413405 is 5043141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 480249 = 966^2 + 693^2 .

It is not a de Polignac number, because 1413405 - 2⁶ = 1413341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1885 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (79287).

2^1413405 is an apocalyptic number.

1413405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1413405 is an abundant number, since it is smaller than the sum of its proper divisors (1440927).

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

1413405 is a wasteful number, since it uses less digits than its factorization.

1413405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1413405 is about 1188.8671077963. The cubic root of 1413405 is about 112.2248088734.

Adding to 1413405 its reverse (5043141), we get a palindrome (6456546).

The spelling of 1413405 in words is "one million, four hundred thirteen thousand, four hundred five".