13481401 has 2 divisors, whose sum is σ = 13481402. Its totient is φ = 13481400.

The previous prime is 13481399. The next prime is 13481407. The reversal of 13481401 is 10418431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 4511376 = 2995^2 + 2124^2 .

It is an emirp because it is prime and its reverse (10418431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13481401 - 2¹ = 13481399 is a prime.

Together with 13481399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13481407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740700 + 6740701.

It is an arithmetic number, because the mean of its divisors is an integer number (6740701).

Almost surely, 2^13481401 is an apocalyptic number.

It is an amenable number.

13481401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13481401 is an equidigital number, since it uses as much as digits as its factorization.

13481401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 13481401 is about 3671.7027385125. The cubic root of 13481401 is about 238.0007591248. Note that the first 3 decimals are identical.

Adding to 13481401 its reverse (10418431), we get a palindrome (23899832).

The spelling of 13481401 in words is "thirteen million, four hundred eighty-one thousand, four hundred one".