13368605 has 4 divisors (see below), whose sum is σ = 16042332. Its totient is φ = 10694880.

The previous prime is 13368599. The next prime is 13368629. The reversal of 13368605 is 50686331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8655364 + 4713241 = 2942^2 + 2171^2 .

It is not a de Polignac number, because 13368605 - 2⁶ = 13368541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336856 + ... + 1336865.

It is an arithmetic number, because the mean of its divisors is an integer number (4010583).

Almost surely, 2^13368605 is an apocalyptic number.

It is an amenable number.

13368605 is a deficient number, since it is larger than the sum of its proper divisors (2673727).

13368605 is an equidigital number, since it uses as much as digits as its factorization.

13368605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673726.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13368605 is about 3656.3102986481. The cubic root of 13368605 is about 237.3351321158.

The spelling of 13368605 in words is "thirteen million, three hundred sixty-eight thousand, six hundred five".