14028649 has 2 divisors, whose sum is σ = 14028650. Its totient is φ = 14028648.

The previous prime is 14028617. The next prime is 14028653. The reversal of 14028649 is 94682041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13191424 + 837225 = 3632^2 + 915^2 .

It is an emirp because it is prime and its reverse (94682041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14028649 - 2⁵ = 14028617 is a prime.

It is not a weakly prime, because it can be changed into another prime (14023649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7014324 + 7014325.

It is an arithmetic number, because the mean of its divisors is an integer number (7014325).

Almost surely, 2^14028649 is an apocalyptic number.

It is an amenable number.

14028649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14028649 is an equidigital number, since it uses as much as digits as its factorization.

14028649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 14028649 is about 3745.4838138751. The cubic root of 14028649 is about 241.1785147988.

The spelling of 14028649 in words is "fourteen million, twenty-eight thousand, six hundred forty-nine".