13980193 has 2 divisors, whose sum is σ = 13980194. Its totient is φ = 13980192.

The previous prime is 13980179. The next prime is 13980269. The reversal of 13980193 is 39108931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 5817744 = 2857^2 + 2412^2 .

It is an emirp because it is prime and its reverse (39108931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13980193 - 2⁹ = 13979681 is a prime.

It is equal to p₉₀₈₈₉₀ and since 13980193 and 908890 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13980493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6990096 + 6990097.

It is an arithmetic number, because the mean of its divisors is an integer number (6990097).

Almost surely, 2^13980193 is an apocalyptic number.

It is an amenable number.

13980193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13980193 is an equidigital number, since it uses as much as digits as its factorization.

13980193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 13980193 is about 3739.0096282304. The cubic root of 13980193 is about 240.9005116118.

The spelling of 13980193 in words is "thirteen million, nine hundred eighty thousand, one hundred ninety-three".