13424401 has 2 divisors, whose sum is σ = 13424402. Its totient is φ = 13424400.

The previous prime is 13424371. The next prime is 13424413. The reversal of 13424401 is 10442431.

13424401 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 can be written as a sum of positive squares in only one way, i.e., 7568001 + 5856400 = 2751^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424401 - 2⁷ = 13424273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13424461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712200 + 6712201.

It is an arithmetic number, because the mean of its divisors is an integer number (6712201).

Almost surely, 2^13424401 is an apocalyptic number.

It is an amenable number.

13424401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424401 is an equidigital number, since it uses as much as digits as its factorization.

13424401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 13424401 is about 3663.9324502507. The cubic root of 13424401 is about 237.6648591295.

Adding to 13424401 its reverse (10442431), we get a palindrome (23866832).

The spelling of 13424401 in words is "thirteen million, four hundred twenty-four thousand, four hundred one".