13869983 has 2 divisors, whose sum is σ = 13869984. Its totient is φ = 13869982.

The previous prime is 13869971. The next prime is 13869991. The reversal of 13869983 is 38996831.

It is a strong prime.

It is an emirp because it is prime and its reverse (38996831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13869983 - 2⁴ = 13869967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13869913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934991 + 6934992.

It is an arithmetic number, because the mean of its divisors is an integer number (6934992).

Almost surely, 2^13869983 is an apocalyptic number.

13869983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13869983 is an equidigital number, since it uses as much as digits as its factorization.

13869983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 13869983 is about 3724.2426075647. The cubic root of 13869983 is about 240.2658108179.

The spelling of 13869983 in words is "thirteen million, eight hundred sixty-nine thousand, nine hundred eighty-three".