8199413 has 2 divisors, whose sum is σ = 8199414. Its totient is φ = 8199412.

The previous prime is 8199409. The next prime is 8199419. The reversal of 8199413 is 3149918.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 2900209 = 2302^2 + 1703^2 .

It is a cyclic number.

It is not a de Polignac number, because 8199413 - 2² = 8199409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8199419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4099706 + 4099707.

It is an arithmetic number, because the mean of its divisors is an integer number (4099707).

Almost surely, 2^8199413 is an apocalyptic number.

It is an amenable number.

8199413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8199413 is an equidigital number, since it uses as much as digits as its factorization.

8199413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 8199413 is about 2863.4617161750. The cubic root of 8199413 is about 201.6481556065.

The spelling of 8199413 in words is "eight million, one hundred ninety-nine thousand, four hundred thirteen".