13366805 has 8 divisors (see below), whose sum is σ = 16473912. Its totient is φ = 10404288.

The previous prime is 13366799. The next prime is 13366817. The reversal of 13366805 is 50866331.

It can be written as a sum of positive squares in 4 ways, for example, as 2979076 + 10387729 = 1726^2 + 3223^2 .

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 13366805 - 2⁴ = 13366789 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 7 ways as a sum of consecutive naturals, for example, 35942 + ... + 36311.

It is an arithmetic number, because the mean of its divisors is an integer number (2059239).

Almost surely, 2^13366805 is an apocalyptic number.

It is an amenable number.

13366805 is a deficient number, since it is larger than the sum of its proper divisors (3107107).

13366805 is an equidigital number, since it uses as much as digits as its factorization.

13366805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72295.

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

The square root of 13366805 is about 3656.0641405752. The cubic root of 13366805 is about 237.3244797350.

The spelling of 13366805 in words is "thirteen million, three hundred sixty-six thousand, eight hundred five".