13550843 has 4 divisors (see below), whose sum is σ = 13917120. Its totient is φ = 13184568.

The previous prime is 13550833. The next prime is 13550851. The reversal of 13550843 is 34805531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13550843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13550833) 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, 183083 + ... + 183156.

It is an arithmetic number, because the mean of its divisors is an integer number (3479280).

Almost surely, 2^13550843 is an apocalyptic number.

13550843 is a deficient number, since it is larger than the sum of its proper divisors (366277).

13550843 is an equidigital number, since it uses as much as digits as its factorization.

13550843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366276.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 13550843 is about 3681.1469679979. The cubic root of 13550843 is about 238.4087026968.

The spelling of 13550843 in words is "thirteen million, five hundred fifty thousand, eight hundred forty-three".