13361513 has 4 divisors (see below), whose sum is σ = 14576208. Its totient is φ = 12146820.

The previous prime is 13361497. The next prime is 13361521. The reversal of 13361513 is 31516331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13361513 - 2⁴ = 13361497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13361213) 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, 607331 + ... + 607352.

It is an arithmetic number, because the mean of its divisors is an integer number (3644052).

Almost surely, 2^13361513 is an apocalyptic number.

It is an amenable number.

13361513 is a deficient number, since it is larger than the sum of its proper divisors (1214695).

13361513 is a wasteful number, since it uses less digits than its factorization.

13361513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214694.

The product of its digits is 810, while the sum is 23.

The square root of 13361513 is about 3655.3403398316. The cubic root of 13361513 is about 237.2931561957.

Adding to 13361513 its reverse (31516331), we get a palindrome (44877844).

The spelling of 13361513 in words is "thirteen million, three hundred sixty-one thousand, five hundred thirteen".