14003906 has 12 divisors (see below), whose sum is σ = 24435558. Its totient is φ = 6001632.

The previous prime is 14003881. The next prime is 14003917. The reversal of 14003906 is 60930041.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 5564881 = 2905^2 + 2359^2 .

It is a super-2 number, since 2×14003906² = 392218766513672, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 71351 + ... + 71546.

Almost surely, 2^14003906 is an apocalyptic number.

14003906 is a deficient number, since it is larger than the sum of its proper divisors (10431652).

14003906 is a wasteful number, since it uses less digits than its factorization.

14003906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142913 (or 142906 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 14003906 is about 3742.1793115777. The cubic root of 14003906 is about 241.0366386564.

Adding to 14003906 its reverse (60930041), we get a palindrome (74933947).

The spelling of 14003906 in words is "fourteen million, three thousand, nine hundred six".