13381367 has 4 divisors (see below), whose sum is σ = 13813056. Its totient is φ = 12949680.

The previous prime is 13381327. The next prime is 13381373. The reversal of 13381367 is 76318331.

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 13381367 - 2¹⁶ = 13315831 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 (13381327) 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, 215798 + ... + 215859.

It is an arithmetic number, because the mean of its divisors is an integer number (3453264).

Almost surely, 2^13381367 is an apocalyptic number.

13381367 is a deficient number, since it is larger than the sum of its proper divisors (431689).

13381367 is an equidigital number, since it uses as much as digits as its factorization.

13381367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431688.

The product of its digits is 9072, while the sum is 32.

The square root of 13381367 is about 3658.0550843310. The cubic root of 13381367 is about 237.4106300867.

Adding to 13381367 its reverse (76318331), we get a palindrome (89699698).

The spelling of 13381367 in words is "thirteen million, three hundred eighty-one thousand, three hundred sixty-seven".