1099313 has 2 divisors, whose sum is σ = 1099314. Its totient is φ = 1099312.

The previous prime is 1099309. The next prime is 1099327. The reversal of 1099313 is 3139901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014049 + 85264 = 1007^2 + 292^2 .

It is an emirp because it is prime and its reverse (3139901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1099313 - 2² = 1099309 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549656 + 549657.

It is an arithmetic number, because the mean of its divisors is an integer number (549657).

2^1099313 is an apocalyptic number.

It is an amenable number.

1099313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099313 is an equidigital number, since it uses as much as digits as its factorization.

1099313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 1099313 is about 1048.4812826179. The cubic root of 1099313 is about 103.2065168751.

The spelling of 1099313 in words is "one million, ninety-nine thousand, three hundred thirteen".