12555119 has 2 divisors, whose sum is σ = 12555120. Its totient is φ = 12555118.

The previous prime is 12555113. The next prime is 12555121. The reversal of 12555119 is 91155521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12555119 - 2¹⁶ = 12489583 is a prime.

It is a super-2 number, since 2×12555119² = 315262026208322, which contains 22 as substring.

Together with 12555121, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12555091 and 12555100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12555113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277559 + 6277560.

It is an arithmetic number, because the mean of its divisors is an integer number (6277560).

Almost surely, 2^12555119 is an apocalyptic number.

12555119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12555119 is an equidigital number, since it uses as much as digits as its factorization.

12555119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250, while the sum is 29.

The square root of 12555119 is about 3543.3203355045. The cubic root of 12555119 is about 232.4200611606.

The spelling of 12555119 in words is "twelve million, five hundred fifty-five thousand, one hundred nineteen".