13505375 has 16 divisors (see below), whose sum is σ = 18153408. Its totient is φ = 9972000.

The previous prime is 13505363. The next prime is 13505377. The reversal of 13505375 is 57350531.

It is a de Polignac number, because none of the positive numbers 2^k-13505375 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505377) 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, 2531 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (1134588).

Almost surely, 2^13505375 is an apocalyptic number.

13505375 is a deficient number, since it is larger than the sum of its proper divisors (4648033).

13505375 is an equidigital number, since it uses as much as digits as its factorization.

13505375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 13505375 is about 3674.9659862372. The cubic root of 13505375 is about 238.1417546417.

The spelling of 13505375 in words is "thirteen million, five hundred five thousand, three hundred seventy-five".