13441009 has 2 divisors, whose sum is σ = 13441010. Its totient is φ = 13441008.

The previous prime is 13441003. The next prime is 13441031. The reversal of 13441009 is 90014431.

It is an a-pointer prime, because the next prime (13441031) can be obtained adding 13441009 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 944784 = 3535^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 13441009 - 2⁷ = 13440881 is a prime.

It is not a weakly prime, because it can be changed into another prime (13441003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720504 + 6720505.

It is an arithmetic number, because the mean of its divisors is an integer number (6720505).

Almost surely, 2^13441009 is an apocalyptic number.

It is an amenable number.

13441009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13441009 is an equidigital number, since it uses as much as digits as its factorization.

13441009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13441009 is about 3666.1981670390. The cubic root of 13441009 is about 237.7628277803.

The spelling of 13441009 in words is "thirteen million, four hundred forty-one thousand, nine".