13668575 has 12 divisors (see below), whose sum is σ = 17228808. Its totient is φ = 10754400.

The previous prime is 13668569. The next prime is 13668583. The reversal of 13668575 is 57586631.

13668575 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 13668575 - 2¹⁰ = 13667551 is a prime.

It is a Duffinian number.

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, 2957 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (1435734).

Almost surely, 2^13668575 is an apocalyptic number.

13668575 is a deficient number, since it is larger than the sum of its proper divisors (3560233).

13668575 is an equidigital number, since it uses as much as digits as its factorization.

13668575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034 (or 9029 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 13668575 is about 3697.1035960600. The cubic root of 13668575 is about 239.0971576763.

The spelling of 13668575 in words is "thirteen million, six hundred sixty-eight thousand, five hundred seventy-five".