13899542 has 8 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 6944344.

The previous prime is 13899539. The next prime is 13899547. The reversal of 13899542 is 24599831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13899542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899547) 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 3 ways as a sum of consecutive naturals, for example, 2459 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^13899542 is an apocalyptic number.

13899542 is a deficient number, since it is larger than the sum of its proper divisors (6966058).

13899542 is a wasteful number, since it uses less digits than its factorization.

13899542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430.

The product of its digits is 77760, while the sum is 41.

The square root of 13899542 is about 3728.2089533716. The cubic root of 13899542 is about 240.4363704578.

It can be divided in two parts, 13899 and 542, that added together give a palindrome (14441).

The spelling of 13899542 in words is "thirteen million, eight hundred ninety-nine thousand, five hundred forty-two".