14040646 has 4 divisors (see below), whose sum is σ = 21060972. Its totient is φ = 7020322.

The previous prime is 14040641. The next prime is 14040659. The reversal of 14040646 is 64604041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64604041 = 2677 ⋅24133.

It is a self number, because there is not a number n which added to its sum of digits gives 14040646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14040641) 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, 3510160 + ... + 3510163.

It is an arithmetic number, because the mean of its divisors is an integer number (5265243).

Almost surely, 2^14040646 is an apocalyptic number.

14040646 is a deficient number, since it is larger than the sum of its proper divisors (7020326).

14040646 is an equidigital number, since it uses as much as digits as its factorization.

14040646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020325.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 14040646 is about 3747.0850003703. The cubic root of 14040646 is about 241.2472454427.

Adding to 14040646 its reverse (64604041), we get a palindrome (78644687).

The spelling of 14040646 in words is "fourteen million, forty thousand, six hundred forty-six".