13199443 has 2 divisors, whose sum is σ = 13199444. Its totient is φ = 13199442.

The previous prime is 13199423. The next prime is 13199449. The reversal of 13199443 is 34499131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13199443 - 2⁵ = 13199411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13199399 and 13199408.

It is not a weakly prime, because it can be changed into another prime (13199449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599721 + 6599722.

It is an arithmetic number, because the mean of its divisors is an integer number (6599722).

Almost surely, 2^13199443 is an apocalyptic number.

13199443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13199443 is an equidigital number, since it uses as much as digits as its factorization.

13199443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 13199443 is about 3633.1037695062. The cubic root of 13199443 is about 236.3298258658.

The spelling of 13199443 in words is "thirteen million, one hundred ninety-nine thousand, four hundred forty-three".