13543242 has 8 divisors (see below), whose sum is σ = 27086496. Its totient is φ = 4514412.

The previous prime is 13543223. The next prime is 13543247. The reversal of 13543242 is 24234531.

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

13543242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13543247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128598 + ... + 1128609.

It is an arithmetic number, because the mean of its divisors is an integer number (3385812).

Almost surely, 2^13543242 is an apocalyptic number.

13543242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13543242 is a wasteful number, since it uses less digits than its factorization.

13543242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257212.

The product of its digits is 2880, while the sum is 24.

The square root of 13543242 is about 3680.1144003957. The cubic root of 13543242 is about 238.3641179311.

Adding to 13543242 its reverse (24234531), we get a palindrome (37777773).

The spelling of 13543242 in words is "thirteen million, five hundred forty-three thousand, two hundred forty-two".