13855375 has 16 divisors (see below), whose sum is σ = 17409600. Its totient is φ = 11008800.

The previous prime is 13855339. The next prime is 13855379. The reversal of 13855375 is 57355831.

It is not a de Polignac number, because 13855375 - 2¹⁵ = 13822607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24597 + ... + 25153.

It is an arithmetic number, because the mean of its divisors is an integer number (1088100).

Almost surely, 2^13855375 is an apocalyptic number.

13855375 is the 1990-th nonagonal number.

13855375 is a deficient number, since it is larger than the sum of its proper divisors (3554225).

13855375 is an equidigital number, since it uses as much as digits as its factorization.

13855375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 761 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 13855375 is about 3722.2808867682. The cubic root of 13855375 is about 240.1814310973.

The spelling of 13855375 in words is "thirteen million, eight hundred fifty-five thousand, three hundred seventy-five".