13381243 has 8 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 12858240.

The previous prime is 13381241. The next prime is 13381271. The reversal of 13381243 is 34218331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13381243 - 2¹ = 13381241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13381241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 6067.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^13381243 is an apocalyptic number.

13381243 is a deficient number, since it is larger than the sum of its proper divisors (529157).

13381243 is a wasteful number, since it uses less digits than its factorization.

13381243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077.

The product of its digits is 1728, while the sum is 25.

The square root of 13381243 is about 3658.0381353944. The cubic root of 13381243 is about 237.4098967534.

Adding to 13381243 its reverse (34218331), we get a palindrome (47599574).

The spelling of 13381243 in words is "thirteen million, three hundred eighty-one thousand, two hundred forty-three".