13875775 has 12 divisors (see below), whose sum is σ = 17800200. Its totient is φ = 10717280.

The previous prime is 13875769. The next prime is 13875779. The reversal of 13875775 is 57757831.

It is not a de Polignac number, because 13875775 - 2¹³ = 13867583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13875779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8845 + ... + 10294.

It is an arithmetic number, because the mean of its divisors is an integer number (1483350).

Almost surely, 2^13875775 is an apocalyptic number.

13875775 is a deficient number, since it is larger than the sum of its proper divisors (3924425).

13875775 is a wasteful number, since it uses less digits than its factorization.

13875775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19178 (or 19173 counting only the distinct ones).

The product of its digits is 205800, while the sum is 43.

The square root of 13875775 is about 3725.0201341738. The cubic root of 13875775 is about 240.2992505588.

The spelling of 13875775 in words is "thirteen million, eight hundred seventy-five thousand, seven hundred seventy-five".