12455843 has 2 divisors, whose sum is σ = 12455844. Its totient is φ = 12455842.

The previous prime is 12455837. The next prime is 12455897. The reversal of 12455843 is 34855421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12455843 is a prime.

It is not a weakly prime, because it can be changed into another prime (12455803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227921 + 6227922.

It is an arithmetic number, because the mean of its divisors is an integer number (6227922).

Almost surely, 2^12455843 is an apocalyptic number.

12455843 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455843 is an equidigital number, since it uses as much as digits as its factorization.

12455843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 12455843 is about 3529.2836383606. The cubic root of 12455843 is about 231.8058410729.

The spelling of 12455843 in words is "twelve million, four hundred fifty-five thousand, eight hundred forty-three".