12401447 has 2 divisors, whose sum is σ = 12401448. Its totient is φ = 12401446.

The previous prime is 12401437. The next prime is 12401489. The reversal of 12401447 is 74410421.

It is a happy number.

12401447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12401447 - 2¹² = 12397351 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 (12401437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200723 + 6200724.

It is an arithmetic number, because the mean of its divisors is an integer number (6200724).

Almost surely, 2^12401447 is an apocalyptic number.

12401447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401447 is an equidigital number, since it uses as much as digits as its factorization.

12401447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 12401447 is about 3521.5688265317. The cubic root of 12401447 is about 231.4679083561.

Adding to 12401447 its reverse (74410421), we get a palindrome (86811868).

The spelling of 12401447 in words is "twelve million, four hundred one thousand, four hundred forty-seven".