12583889 has 2 divisors, whose sum is σ = 12583890. Its totient is φ = 12583888.

The previous prime is 12583853. The next prime is 12583891. The reversal of 12583889 is 98838521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 2131600 = 3233^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 12583889 - 2¹² = 12579793 is a prime.

Together with 12583891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12583849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6291944 + 6291945.

It is an arithmetic number, because the mean of its divisors is an integer number (6291945).

Almost surely, 2^12583889 is an apocalyptic number.

It is an amenable number.

12583889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12583889 is an equidigital number, since it uses as much as digits as its factorization.

12583889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 44.

The square root of 12583889 is about 3547.3777639265. The cubic root of 12583889 is about 232.5974555795.

The spelling of 12583889 in words is "twelve million, five hundred eighty-three thousand, eight hundred eighty-nine".