12355799 has 2 divisors, whose sum is σ = 12355800. Its totient is φ = 12355798.

The previous prime is 12355793. The next prime is 12355813. The reversal of 12355799 is 99755321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12355799 - 2⁸ = 12355543 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12355793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177899 + 6177900.

It is an arithmetic number, because the mean of its divisors is an integer number (6177900).

Almost surely, 2^12355799 is an apocalyptic number.

12355799 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355799 is an equidigital number, since it uses as much as digits as its factorization.

12355799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 41.

The square root of 12355799 is about 3515.0816491228. The cubic root of 12355799 is about 231.1835588038.

The spelling of 12355799 in words is "twelve million, three hundred fifty-five thousand, seven hundred ninety-nine".