13340615 has 4 divisors (see below), whose sum is σ = 16008744. Its totient is φ = 10672488.

The previous prime is 13340599. The next prime is 13340623. The reversal of 13340615 is 51604331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13340615 - 2⁴ = 13340599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334057 + ... + 1334066.

It is an arithmetic number, because the mean of its divisors is an integer number (4002186).

Almost surely, 2^13340615 is an apocalyptic number.

13340615 is a deficient number, since it is larger than the sum of its proper divisors (2668129).

13340615 is an equidigital number, since it uses as much as digits as its factorization.

13340615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668128.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 13340615 is about 3652.4806638776. The cubic root of 13340615 is about 237.1693792959.

Adding to 13340615 its reverse (51604331), we get a palindrome (64944946).

The spelling of 13340615 in words is "thirteen million, three hundred forty thousand, six hundred fifteen".