13361567 has 4 divisors (see below), whose sum is σ = 13370160. Its totient is φ = 13352976.

The previous prime is 13361539. The next prime is 13361581. The reversal of 13361567 is 76516331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13361567 - 2¹⁴ = 13345183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361587) 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, 1238 + ... + 5315.

It is an arithmetic number, because the mean of its divisors is an integer number (3342540).

Almost surely, 2^13361567 is an apocalyptic number.

13361567 is a deficient number, since it is larger than the sum of its proper divisors (8593).

13361567 is an equidigital number, since it uses as much as digits as its factorization.

13361567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592.

The product of its digits is 11340, while the sum is 32.

The square root of 13361567 is about 3655.3477262772. The cubic root of 13361567 is about 237.2934758654.

Adding to 13361567 its reverse (76516331), we get a palindrome (89877898).

The spelling of 13361567 in words is "thirteen million, three hundred sixty-one thousand, five hundred sixty-seven".