13455641 has 2 divisors, whose sum is σ = 13455642. Its totient is φ = 13455640.

The previous prime is 13455577. The next prime is 13455647. The reversal of 13455641 is 14655431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 5593225 = 2804^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455641 - 2⁶ = 13455577 is a prime.

It is not a weakly prime, because it can be changed into another prime (13455647) 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, 6727820 + 6727821.

It is an arithmetic number, because the mean of its divisors is an integer number (6727821).

Almost surely, 2^13455641 is an apocalyptic number.

It is an amenable number.

13455641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455641 is an equidigital number, since it uses as much as digits as its factorization.

13455641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 13455641 is about 3668.1931519482. The cubic root of 13455641 is about 237.8490733902.

The spelling of 13455641 in words is "thirteen million, four hundred fifty-five thousand, six hundred forty-one".