13665395 has 8 divisors (see below), whose sum is σ = 16841904. Its totient is φ = 10636704.

The previous prime is 13665383. The next prime is 13665413. The reversal of 13665395 is 59356631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13665395 - 2¹⁸ = 13403251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36749 + ... + 37118.

It is an arithmetic number, because the mean of its divisors is an integer number (2105238).

Almost surely, 2^13665395 is an apocalyptic number.

13665395 is a deficient number, since it is larger than the sum of its proper divisors (3176509).

13665395 is an equidigital number, since it uses as much as digits as its factorization.

13665395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73909.

The product of its digits is 72900, while the sum is 38.

The square root of 13665395 is about 3696.6735046525. The cubic root of 13665395 is about 239.0786142184.

The spelling of 13665395 in words is "thirteen million, six hundred sixty-five thousand, three hundred ninety-five".