13875123 has 8 divisors (see below), whose sum is σ = 18522000. Its totient is φ = 9239168.

The previous prime is 13875109. The next prime is 13875133. The reversal of 13875123 is 32157831.

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

It is a cyclic number.

It is not a de Polignac number, because 13875123 - 2⁸ = 13874867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13875133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 5351.

It is an arithmetic number, because the mean of its divisors is an integer number (2315250).

Almost surely, 2^13875123 is an apocalyptic number.

13875123 is a deficient number, since it is larger than the sum of its proper divisors (4646877).

13875123 is a wasteful number, since it uses less digits than its factorization.

13875123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461.

The product of its digits is 5040, while the sum is 30.

The square root of 13875123 is about 3724.9326168402. The cubic root of 13875123 is about 240.2954867434.

The spelling of 13875123 in words is "thirteen million, eight hundred seventy-five thousand, one hundred twenty-three".