13540943 has 8 divisors (see below), whose sum is σ = 14690928. Its totient is φ = 12406464.

The previous prime is 13540931. The next prime is 13540949. The reversal of 13540943 is 34904531.

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 13540943 - 2¹⁰ = 13539919 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 (13540949) 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, 2021 + ... + 5582.

It is an arithmetic number, because the mean of its divisors is an integer number (1836366).

Almost surely, 2^13540943 is an apocalyptic number.

13540943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13540943 is a deficient number, since it is larger than the sum of its proper divisors (1149985).

13540943 is a wasteful number, since it uses less digits than its factorization.

13540943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13540943 is about 3679.8020327186. The cubic root of 13540943 is about 238.3506295281.

The spelling of 13540943 in words is "thirteen million, five hundred forty thousand, nine hundred forty-three".