13875542 has 16 divisors (see below), whose sum is σ = 21184800. Its totient is φ = 6815232.

The previous prime is 13875539. The next prime is 13875551. The reversal of 13875542 is 24557831.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39584 + ... + 39932.

It is an arithmetic number, because the mean of its divisors is an integer number (1324050).

Almost surely, 2^13875542 is an apocalyptic number.

13875542 is a deficient number, since it is larger than the sum of its proper divisors (7309258).

13875542 is a wasteful number, since it uses less digits than its factorization.

13875542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its digits is 33600, while the sum is 35.

The square root of 13875542 is about 3724.9888590437. The cubic root of 13875542 is about 240.2979055279.

The spelling of 13875542 in words is "thirteen million, eight hundred seventy-five thousand, five hundred forty-two".