14640007 has 4 divisors (see below), whose sum is σ = 14649336. Its totient is φ = 14630680.

The previous prime is 14639971. The next prime is 14640023. The reversal of 14640007 is 70004641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14640007 - 2¹⁵ = 14607239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14640007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669 + ... + 5662.

It is an arithmetic number, because the mean of its divisors is an integer number (3662334).

Almost surely, 2^14640007 is an apocalyptic number.

14640007 is a deficient number, since it is larger than the sum of its proper divisors (9329).

14640007 is an equidigital number, since it uses as much as digits as its factorization.

14640007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 14640007 is about 3826.2262086813. The cubic root of 14640007 is about 244.6322791283.

Adding to 14640007 its reverse (70004641), we get a palindrome (84644648).

The spelling of 14640007 in words is "fourteen million, six hundred forty thousand, seven".