13444129 has 2 divisors, whose sum is σ = 13444130. Its totient is φ = 13444128.

The previous prime is 13444117. The next prime is 13444147. The reversal of 13444129 is 92144431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 2235025 = 3348^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 13444129 - 2⁵ = 13444097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13444097 and 13444106.

It is not a weakly prime, because it can be changed into another prime (13444829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722064 + 6722065.

It is an arithmetic number, because the mean of its divisors is an integer number (6722065).

Almost surely, 2^13444129 is an apocalyptic number.

It is an amenable number.

13444129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444129 is an equidigital number, since it uses as much as digits as its factorization.

13444129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 13444129 is about 3666.6236512628. The cubic root of 13444129 is about 237.7812232900.

The spelling of 13444129 in words is "thirteen million, four hundred forty-four thousand, one hundred twenty-nine".