14809813 has 2 divisors, whose sum is σ = 14809814. Its totient is φ = 14809812.

The previous prime is 14809801. The next prime is 14809849. The reversal of 14809813 is 31890841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14799409 + 10404 = 3847^2 + 102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14809813 is a prime.

It is a super-2 number, since 2×14809813² = 438661122189938, which contains 22 as substring.

It is equal to p₉₅₉₂₅₄ and since 14809813 and 959254 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14809853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7404906 + 7404907.

It is an arithmetic number, because the mean of its divisors is an integer number (7404907).

Almost surely, 2^14809813 is an apocalyptic number.

It is an amenable number.

14809813 is a deficient number, since it is larger than the sum of its proper divisors (1).

14809813 is an equidigital number, since it uses as much as digits as its factorization.

14809813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 14809813 is about 3848.3519849411. The cubic root of 14809813 is about 245.5744565331.

The spelling of 14809813 in words is "fourteen million, eight hundred nine thousand, eight hundred thirteen".