12255791 has 2 divisors, whose sum is σ = 12255792. Its totient is φ = 12255790.

The previous prime is 12255781. The next prime is 12255797. The reversal of 12255791 is 19755221.

It is a happy number.

12255791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19755221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12255791 - 2¹⁴ = 12239407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12255797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127895 + 6127896.

It is an arithmetic number, because the mean of its divisors is an integer number (6127896).

Almost surely, 2^12255791 is an apocalyptic number.

12255791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12255791 is an equidigital number, since it uses as much as digits as its factorization.

12255791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 32.

The square root of 12255791 is about 3500.8271879657. The cubic root of 12255791 is about 230.5581341002.

The spelling of 12255791 in words is "twelve million, two hundred fifty-five thousand, seven hundred ninety-one".