14009913 has 6 divisors (see below), whose sum is σ = 20236554. Its totient is φ = 9339936.

The previous prime is 14009909. The next prime is 14009927. The reversal of 14009913 is 31990041.

It can be written as a sum of positive squares in only one way, i.e., 12299049 + 1710864 = 3507^2 + 1308^2 .

It is not a de Polignac number, because 14009913 - 2² = 14009909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14009903) 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 in 5 ways as a sum of consecutive naturals, for example, 778320 + ... + 778337.

It is an arithmetic number, because the mean of its divisors is an integer number (3372759).

Almost surely, 2^14009913 is an apocalyptic number.

It is an amenable number.

14009913 is a deficient number, since it is larger than the sum of its proper divisors (6226641).

14009913 is a wasteful number, since it uses less digits than its factorization.

14009913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556663 (or 1556660 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 14009913 is about 3742.9818327104. The cubic root of 14009913 is about 241.0710980924.

Adding to 14009913 its reverse (31990041), we get a palindrome (45999954).

The spelling of 14009913 in words is "fourteen million, nine thousand, nine hundred thirteen".