13523975 has 12 divisors (see below), whose sum is σ = 16840440. Its totient is φ = 10773600.

The previous prime is 13523969. The next prime is 13523989. The reversal of 13523975 is 57932531.

It is a happy number.

13523975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13523975 - 2⁶ = 13523911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5720 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (1403370).

Almost surely, 2^13523975 is an apocalyptic number.

13523975 is a deficient number, since it is larger than the sum of its proper divisors (3316465).

13523975 is a wasteful number, since it uses less digits than its factorization.

13523975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290 (or 2285 counting only the distinct ones).

The product of its digits is 28350, while the sum is 35.

The square root of 13523975 is about 3677.4957511872. The cubic root of 13523975 is about 238.2510297695.

The spelling of 13523975 in words is "thirteen million, five hundred twenty-three thousand, nine hundred seventy-five".