1366799 has 8 divisors (see below), whose sum is σ = 1616160. Its totient is φ = 1130976.

The previous prime is 1366793. The next prime is 1366801. The reversal of 1366799 is 9976631.

It is a happy number.

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

It is not a de Polignac number, because 1366799 - 2⁸ = 1366543 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (202020).

2^1366799 is an apocalyptic number.

1366799 is a deficient number, since it is larger than the sum of its proper divisors (249361).

1366799 is an equidigital number, since it uses as much as digits as its factorization.

1366799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769.

The product of its digits is 61236, while the sum is 41.

The square root of 1366799 is about 1169.1017919754. The cubic root of 1366799 is about 110.9774864385.

The spelling of 1366799 in words is "one million, three hundred sixty-six thousand, seven hundred ninety-nine".