12416401 has 2 divisors, whose sum is σ = 12416402. Its totient is φ = 12416400.

The previous prime is 12416377. The next prime is 12416429. The reversal of 12416401 is 10461421.

12416401 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 can be written as a sum of positive squares in only one way, i.e., 9859600 + 2556801 = 3140^2 + 1599^2 .

It is an emirp because it is prime and its reverse (10461421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12416401 - 2⁹ = 12415889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12416431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208200 + 6208201.

It is an arithmetic number, because the mean of its divisors is an integer number (6208201).

Almost surely, 2^12416401 is an apocalyptic number.

It is an amenable number.

12416401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12416401 is an equidigital number, since it uses as much as digits as its factorization.

12416401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12416401 is about 3523.6913883029. The cubic root of 12416401 is about 231.5609077392.

Adding to 12416401 its reverse (10461421), we get a palindrome (22877822).

The spelling of 12416401 in words is "twelve million, four hundred sixteen thousand, four hundred one".