13983443 has 2 divisors, whose sum is σ = 13983444. Its totient is φ = 13983442.

The previous prime is 13983439. The next prime is 13983479. The reversal of 13983443 is 34438931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13983443 - 2² = 13983439 is a prime.

It is not a weakly prime, because it can be changed into another prime (13983433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6991721 + 6991722.

It is an arithmetic number, because the mean of its divisors is an integer number (6991722).

Almost surely, 2^13983443 is an apocalyptic number.

13983443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13983443 is an equidigital number, since it uses as much as digits as its factorization.

13983443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 13983443 is about 3739.4442100398. Note that the first 3 decimals coincide. The cubic root of 13983443 is about 240.9191776870.

The spelling of 13983443 in words is "thirteen million, nine hundred eighty-three thousand, four hundred forty-three".