13436461 has 2 divisors, whose sum is σ = 13436462. Its totient is φ = 13436460.

The previous prime is 13436459. The next prime is 13436497. The reversal of 13436461 is 16463431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11095561 + 2340900 = 3331^2 + 1530^2 .

It is an emirp because it is prime and its reverse (16463431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13436461 - 2¹ = 13436459 is a prime.

Together with 13436459, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13436431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6718230 + 6718231.

It is an arithmetic number, because the mean of its divisors is an integer number (6718231).

Almost surely, 2^13436461 is an apocalyptic number.

It is an amenable number.

13436461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13436461 is an equidigital number, since it uses as much as digits as its factorization.

13436461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 13436461 is about 3665.5778534905. The cubic root of 13436461 is about 237.7360076875.

Adding to 13436461 its reverse (16463431), we get a palindrome (29899892).

The spelling of 13436461 in words is "thirteen million, four hundred thirty-six thousand, four hundred sixty-one".