1413409 has 4 divisors (see below), whose sum is σ = 1429380. Its totient is φ = 1397440.

The previous prime is 1413371. The next prime is 1413413. The reversal of 1413409 is 9043141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9043141 = 661 ⋅13681.

It can be written as a sum of positive squares in 2 ways, for example, as 846400 + 567009 = 920^2 + 753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1413409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1413409.

It is not an unprimeable number, because it can be changed into a prime (1413439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7852 + ... + 8029.

It is an arithmetic number, because the mean of its divisors is an integer number (357345).

2^1413409 is an apocalyptic number.

It is an amenable number.

1413409 is a deficient number, since it is larger than the sum of its proper divisors (15971).

1413409 is an equidigital number, since it uses as much as digits as its factorization.

1413409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1413409 is about 1188.8687900689. The cubic root of 1413409 is about 112.2249147404.

The spelling of 1413409 in words is "one million, four hundred thirteen thousand, four hundred nine".