13481143 has 8 divisors (see below), whose sum is σ = 15019200. Its totient is φ = 12014688.

The previous prime is 13481141. The next prime is 13481161. The reversal of 13481143 is 34118431.

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 13481143 - 2¹ = 13481141 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 (13481141) 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, 17503 + ... + 18256.

It is an arithmetic number, because the mean of its divisors is an integer number (1877400).

Almost surely, 2^13481143 is an apocalyptic number.

13481143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13481143 is a deficient number, since it is larger than the sum of its proper divisors (1538057).

13481143 is a wasteful number, since it uses less digits than its factorization.

13481143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35801.

The product of its digits is 1152, while the sum is 25.

The square root of 13481143 is about 3671.6676047812. The cubic root of 13481143 is about 237.9992408704. Note that the first 3 decimals are identical.

Adding to 13481143 its reverse (34118431), we get a palindrome (47599574).

The spelling of 13481143 in words is "thirteen million, four hundred eighty-one thousand, one hundred forty-three".