14206645 has 16 divisors (see below), whose sum is σ = 18139248. Its totient is φ = 10644480.

The previous prime is 14206589. The next prime is 14206651. The reversal of 14206645 is 54660241.

It can be written as a sum of positive squares in 8 ways, for example, as 531441 + 13675204 = 729^2 + 3698^2 .

It is not a de Polignac number, because 14206645 - 2⁹ = 14206133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 33535 + ... + 33955.

It is an arithmetic number, because the mean of its divisors is an integer number (1133703).

Almost surely, 2^14206645 is an apocalyptic number.

It is an amenable number.

14206645 is a deficient number, since it is larger than the sum of its proper divisors (3932603).

14206645 is a wasteful number, since it uses less digits than its factorization.

14206645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 14206645 is about 3769.1703331105. The cubic root of 14206645 is about 242.1942581118.

Adding to 14206645 its reverse (54660241), we get a palindrome (68866886).

The spelling of 14206645 in words is "fourteen million, two hundred six thousand, six hundred forty-five".