13660441 has 2 divisors, whose sum is σ = 13660442. Its totient is φ = 13660440.

The previous prime is 13660403. The next prime is 13660453. The reversal of 13660441 is 14406631.

13660441 is digitally balanced in base 3, 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., 13660416 + 25 = 3696^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 13660441 - 2¹⁵ = 13627673 is a prime.

It is not a weakly prime, because it can be changed into another prime (13666441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6830220 + 6830221.

It is an arithmetic number, because the mean of its divisors is an integer number (6830221).

Almost surely, 2^13660441 is an apocalyptic number.

It is an amenable number.

13660441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13660441 is an equidigital number, since it uses as much as digits as its factorization.

13660441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13660441 is about 3696.0033820331. The cubic root of 13660441 is about 239.0497203444.

Subtracting from 13660441 its sum of digits (25), we obtain a square (13660416 = 3696²).

The spelling of 13660441 in words is "thirteen million, six hundred sixty thousand, four hundred forty-one".