13340459 has 4 divisors (see below), whose sum is σ = 14553240. Its totient is φ = 12127680.

The previous prime is 13340443. The next prime is 13340473. The reversal of 13340459 is 95404331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95404331 = 11 ⋅8673121.

It is a cyclic number.

It is not a de Polignac number, because 13340459 - 2⁴ = 13340443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340479) 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, 606374 + ... + 606395.

It is an arithmetic number, because the mean of its divisors is an integer number (3638310).

Almost surely, 2^13340459 is an apocalyptic number.

13340459 is a deficient number, since it is larger than the sum of its proper divisors (1212781).

13340459 is a wasteful number, since it uses less digits than its factorization.

13340459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212780.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13340459 is about 3652.4593084660. The cubic root of 13340459 is about 237.1684548366.

The spelling of 13340459 in words is "thirteen million, three hundred forty thousand, four hundred fifty-nine".