13183889 has 2 divisors, whose sum is σ = 13183890. Its totient is φ = 13183888.

The previous prime is 13183883. The next prime is 13183901. The reversal of 13183889 is 98838131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 43264 = 3625^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 13183889 - 2²⁰ = 12135313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13183883) 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, 6591944 + 6591945.

It is an arithmetic number, because the mean of its divisors is an integer number (6591945).

Almost surely, 2^13183889 is an apocalyptic number.

It is an amenable number.

13183889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13183889 is an equidigital number, since it uses as much as digits as its factorization.

13183889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 13183889 is about 3630.9625445603. The cubic root of 13183889 is about 236.2369603583.

The spelling of 13183889 in words is "thirteen million, one hundred eighty-three thousand, eight hundred eighty-nine".