13275481 has 2 divisors, whose sum is σ = 13275482. Its totient is φ = 13275480.

The previous prime is 13275421. The next prime is 13275503. The reversal of 13275481 is 18457231.

13275481 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9211225 + 4064256 = 3035^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 13275481 - 2⁹ = 13274969 is a prime.

It is a super-2 number, since 2×13275481² = 352476791562722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13275401) 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, 6637740 + 6637741.

It is an arithmetic number, because the mean of its divisors is an integer number (6637741).

Almost surely, 2^13275481 is an apocalyptic number.

It is an amenable number.

13275481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13275481 is an equidigital number, since it uses as much as digits as its factorization.

13275481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 13275481 is about 3643.5533480381. The cubic root of 13275481 is about 236.7827654493.

The spelling of 13275481 in words is "thirteen million, two hundred seventy-five thousand, four hundred eighty-one".