13786441 has 2 divisors, whose sum is σ = 13786442. Its totient is φ = 13786440.

The previous prime is 13786433. The next prime is 13786469. The reversal of 13786441 is 14468731.

It is a happy number.

13786441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13660416 + 126025 = 3696^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13786441 - 2³ = 13786433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13786397 and 13786406.

It is not a weakly prime, because it can be changed into another prime (13786411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893220 + 6893221.

It is an arithmetic number, because the mean of its divisors is an integer number (6893221).

Almost surely, 2^13786441 is an apocalyptic number.

It is an amenable number.

13786441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786441 is an equidigital number, since it uses as much as digits as its factorization.

13786441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 13786441 is about 3713.0096956512. The cubic root of 13786441 is about 239.7824475310.

The spelling of 13786441 in words is "thirteen million, seven hundred eighty-six thousand, four hundred forty-one".