13839542 has 8 divisors (see below), whose sum is σ = 20802096. Its totient is φ = 6905512.

The previous prime is 13839523. The next prime is 13839557. The reversal of 13839542 is 24593831.

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

It is a congruent number.

It is an unprimeable number.

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, 5873 + ... + 7884.

It is an arithmetic number, because the mean of its divisors is an integer number (2600262).

Almost surely, 2^13839542 is an apocalyptic number.

13839542 is a deficient number, since it is larger than the sum of its proper divisors (6962554).

13839542 is a wasteful number, since it uses less digits than its factorization.

13839542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262.

The product of its digits is 25920, while the sum is 35.

The square root of 13839542 is about 3720.1534914570. The cubic root of 13839542 is about 240.0899084441.

The spelling of 13839542 in words is "thirteen million, eight hundred thirty-nine thousand, five hundred forty-two".