12355879 has 2 divisors, whose sum is σ = 12355880. Its totient is φ = 12355878.

The previous prime is 12355873. The next prime is 12355897. The reversal of 12355879 is 97855321.

12355879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12355897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12355879 - 2⁷ = 12355751 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 (12355873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177939 + 6177940.

It is an arithmetic number, because the mean of its divisors is an integer number (6177940).

Almost surely, 2^12355879 is an apocalyptic number.

12355879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355879 is an equidigital number, since it uses as much as digits as its factorization.

12355879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 12355879 is about 3515.0930286409. The cubic root of 12355879 is about 231.1840577502.

The spelling of 12355879 in words is "twelve million, three hundred fifty-five thousand, eight hundred seventy-nine".