14040007 has 4 divisors (see below), whose sum is σ = 14054560. Its totient is φ = 14025456.

The previous prime is 14040001. The next prime is 14040023. The reversal of 14040007 is 70004041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70004041 = 2939 ⋅23819.

It is a cyclic number.

It is not a de Polignac number, because 14040007 - 2¹⁵ = 14007239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14040001) 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, 5718 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (3513640).

Almost surely, 2^14040007 is an apocalyptic number.

14040007 is a deficient number, since it is larger than the sum of its proper divisors (14553).

14040007 is a wasteful number, since it uses less digits than its factorization.

14040007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 14040007 is about 3746.9997331198. Note that the first 3 decimals coincide. The cubic root of 14040007 is about 241.2435856080.

Adding to 14040007 its reverse (70004041), we get a palindrome (84044048).

The spelling of 14040007 in words is "fourteen million, forty thousand, seven".