14008009 has 2 divisors, whose sum is σ = 14008010. Its totient is φ = 14008008.

The previous prime is 14007991. The next prime is 14008013. The reversal of 14008009 is 90080041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 6969600 = 2653^2 + 2640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14008009 is a prime.

It is a super-2 number, since 2×14008009² = 392448632288162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14008039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7004004 + 7004005.

It is an arithmetic number, because the mean of its divisors is an integer number (7004005).

Almost surely, 2^14008009 is an apocalyptic number.

It is an amenable number.

14008009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14008009 is an equidigital number, since it uses as much as digits as its factorization.

14008009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 14008009 is about 3742.7274813964. The cubic root of 14008009 is about 241.0601767739.

It can be divided in two parts, 1400 and 8009, that added together give a square (9409 = 97²).

The spelling of 14008009 in words is "fourteen million, eight thousand, nine".