13140343 has 8 divisors (see below), whose sum is σ = 14094000. Its totient is φ = 12212928.

The previous prime is 13140341. The next prime is 13140353. The reversal of 13140343 is 34304131.

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 13140343 - 2¹ = 13140341 is a prime.

It is a super-2 number, since 2×13140343² = 345337228315298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13140343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (1761750).

Almost surely, 2^13140343 is an apocalyptic number.

13140343 is a deficient number, since it is larger than the sum of its proper divisors (953657).

13140343 is a wasteful number, since it uses less digits than its factorization.

13140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13121.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13140343 is about 3624.9611032396. The cubic root of 13140343 is about 235.9765788784.

Adding to 13140343 its reverse (34304131), we get a palindrome (47444474).

The spelling of 13140343 in words is "thirteen million, one hundred forty thousand, three hundred forty-three".