13664675 has 6 divisors (see below), whose sum is σ = 16944228. Its totient is φ = 10931720.

The previous prime is 13664657. The next prime is 13664711. The reversal of 13664675 is 57646631.

It is a happy number.

It is not a de Polignac number, because 13664675 - 2⁸ = 13664419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273269 + ... + 273318.

It is an arithmetic number, because the mean of its divisors is an integer number (2824038).

Almost surely, 2^13664675 is an apocalyptic number.

13664675 is a deficient number, since it is larger than the sum of its proper divisors (3279553).

13664675 is an equidigital number, since it uses as much as digits as its factorization.

13664675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546597 (or 546592 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 13664675 is about 3696.5761185183. The cubic root of 13664675 is about 239.0744153003.

The spelling of 13664675 in words is "thirteen million, six hundred sixty-four thousand, six hundred seventy-five".