13417409 has 4 divisors (see below), whose sum is σ = 13451604. Its totient is φ = 13383216.

The previous prime is 13417399. The next prime is 13417429. The reversal of 13417409 is 90471431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7182400 + 6235009 = 2680^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 13417409 - 2¹² = 13413313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13417429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16502 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (3362901).

Almost surely, 2^13417409 is an apocalyptic number.

It is an amenable number.

13417409 is a deficient number, since it is larger than the sum of its proper divisors (34195).

13417409 is an equidigital number, since it uses as much as digits as its factorization.

13417409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34194.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13417409 is about 3662.9781599131. The cubic root of 13417409 is about 237.6235899689.

The spelling of 13417409 in words is "thirteen million, four hundred seventeen thousand, four hundred nine".