13340515 has 4 divisors (see below), whose sum is σ = 16008624. Its totient is φ = 10672408.

The previous prime is 13340513. The next prime is 13340521. The reversal of 13340515 is 51504331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51504331 = 751 ⋅68581.

It is a cyclic number.

It is not a de Polignac number, because 13340515 - 2¹ = 13340513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340513) 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, 1334047 + ... + 1334056.

It is an arithmetic number, because the mean of its divisors is an integer number (4002156).

Almost surely, 2^13340515 is an apocalyptic number.

13340515 is a deficient number, since it is larger than the sum of its proper divisors (2668109).

13340515 is an equidigital number, since it uses as much as digits as its factorization.

13340515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668108.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13340515 is about 3652.4669745256. The cubic root of 13340515 is about 237.1687866946.

Adding to 13340515 its reverse (51504331), we get a palindrome (64844846).

The spelling of 13340515 in words is "thirteen million, three hundred forty thousand, five hundred fifteen".